Malawi Yellow Pebble 2–4 mm
Description
The Malawi Yellow Pebble is a high-quality natural substrate with a soft golden-yellow tone that brings brightness and warmth to any aquarium or terrarium. With a 2–4 mm grain size, these smooth pebbles create a balanced and natural look that complements both plants and fish.
Ideal for African cichlid tanks, freshwater aquariums, and decorative displays, this substrate helps replicate the natural habitat of Malawi and Tanganyika cichlids while maintaining excellent water flow and clarity. The pebbles are pH neutral, non-toxic, and safe for all freshwater environments.
Key features
natural yellow color that enhances tank brightness and fish coloration
2–4 mm smooth, rounded grains for a clean, natural appearance
safe, non-toxic, and pH neutral
allows proper water circulation and bacterial balance
suitable for all freshwater aquariums, especially cichlid setups
easy to rinse and maintain
Specifications
product name: Malawi Yellow Pebble
grain size: 2–4 mm
available sizes: 2 kg and 5 kg bags
color: natural yellow
suitable for: freshwater aquariums, cichlid tanks, terrariums, and decorative use
Suitable for
African cichlid tanks (Malawi, Tanganyika, Victoria)
freshwater community aquariums
planted and aquascaped tanks
shrimp and snail aquariums
interior décor and terrarium layouts
Usage tips
rinse thoroughly before adding to the aquarium
use 1–2 kg per 10–15 litres of water for a full base layer
ideal for layering with darker or neutral substrates for visual contrast
Why buy from Aquatic Pets SA
With more than 15 years of experience in aquarium design and fish care, Aquatic Pets SA provides trusted, high-quality substrates that support healthy aquatic systems. Our selection of natural pebbles and gravels helps you create stable, visually appealing environments for all types of fish and aquatic plants.
Mantis Hydrus Wave Pump (Hydrus-15, Hydrus-25 & Hydrus-35)
Create powerful, natural water movement with the Mantis Hydrus Wave Pump series. Designed for both freshwater and marine aquariums, the Hydrus range delivers adjustable, high-performance flow to eliminate dead spots, improve oxygenation, and promote a healthier aquatic environment.
Featuring energy-efficient DC motor technology and multiple flow modes, the Hydrus Wave Pump allows you to customise water movement to suit the specific needs of your aquarium and livestock. Whether you're keeping delicate planted tanks or demanding reef systems, the Hydrus series provides reliable, quiet, and efficient circulation.
Key Features
Energy-efficient DC wave pump
Powerful, adjustable water flow
Multiple programmable flow modes and speed settings
Quiet, low-vibration operation
Magnetic mounting system for secure installation
Compact design with adjustable flow direction
Suitable for freshwater and marine aquariums
Benefits
Eliminates stagnant areas and dead spots
Improves oxygen exchange and water circulation
Promotes healthier corals, fish, and aquatic plants
Customisable flow patterns to suit different aquarium environments
Quiet performance for home or office aquariums
Easy to install, adjust, and maintain
Available Models
Mantis Hydrus-15
Maximum Flow Rate: 8,000 L/h
Ideal for small to medium-sized aquariums.
Mantis Hydrus-25
Maximum Flow Rate: 12,000 L/h
Suitable for medium to large aquariums requiring increased circulation.
Mantis Hydrus-35
Maximum Flow Rate: 18,000 L/h
Designed for large aquariums and reef systems requiring powerful water movement.
How to Use
Attach the wave pump securely using the magnetic mount.
Position the pump to achieve your desired water flow pattern.
Connect the controller and power supply.
Select the appropriate flow mode and speed for your aquarium.
Clean the impeller and housing regularly to maintain peak performance.
Specifications
Motor Type: DC
Mounting: Magnetic bracket
Suitable For:
Freshwater aquariums
Marine aquariums
Reef aquariums
Available Models:
Hydrus-15 (8,000 L/h)
Hydrus-25 (12,000 L/h)
Hydrus-35 (18,000 L/h)l
Perfect For
Marine reef aquariums
Freshwater aquariums
Planted tanks
Coral systems
Aquariums requiring enhanced circulation
Mantis Rubicon 4.B Reef Tank
The Mantis Rubicon 4.B Reef Tank is a premium all-in-one marine aquarium system designed for hobbyists who want a modern, clean, and highly functional reef setup. Combining sleek aesthetics with practical performance, this aquarium provides the perfect foundation for building a thriving saltwater ecosystem filled with corals, marine fish, and invertebrates.
Designed with clarity and elegance in mind, the Rubicon 4.B features a rimless aquarium design that delivers an uninterrupted viewing experience while adding a sophisticated look to any home, office, or display space. The minimalist appearance allows your aquascape and livestock to become the main focus, creating a true underwater showcase.
Built using high-quality glass construction, the aquarium offers excellent durability and enhanced viewing clarity, allowing colours and coral growth to stand out beautifully. The carefully designed structure gives hobbyists peace of mind while maintaining a premium finish throughout the system.
One of the standout features of the Rubicon 4.B is its integrated rear filtration system. This built-in filtration compartment helps keep equipment hidden from view while supporting a cleaner, more organised reef aquarium. By reducing visible clutter inside the display area, the tank maintains a polished and professional appearance while still offering easy access for maintenance and upgrades.
The all-in-one filtration layout makes the aquarium ideal for both beginner marine hobbyists and experienced reef keepers. It allows users to customise filtration media, return pumps, heaters, protein skimmers, and other essential equipment based on the needs of their reef system. This flexibility makes the Rubicon 4.B suitable for a wide variety of marine setups, from soft coral aquariums to more advanced mixed reef environments.
Its spacious aquascaping area provides plenty of room for live rock arrangements, coral placement, and creative reef designs. Whether you prefer a minimalist reef layout or a more detailed coral-filled display, the tank offers excellent depth and viewing angles to bring your vision to life.
The modern cabinet design complements the aquarium perfectly, offering a clean and stylish finish while providing practical storage space for equipment, foods, additives, and maintenance accessories. The cabinet helps keep the overall setup tidy and organised, making day-to-day aquarium care more convenient.
The Mantis Rubicon 4.B Reef Tank is ideal for:
Marine and saltwater aquariums
Coral reef systems
Beginner to advanced reef keepers
Home, office, and showroom displays
Custom aquascaping projects
Key features:
Premium rimless reef aquarium design
Built-in all-in-one rear filtration system
High-clarity glass construction
Modern cabinet and display appearance
Clean and organised equipment management
Suitable for marine fish, corals, and reef livestock
Ideal for custom reef aquascaping
Whether you are starting your first reef aquarium or upgrading to a cleaner and more modern marine system, the Mantis Rubicon 4.B Reef Tank delivers the perfect balance of style, functionality, and reef-keeping performance. Designed to showcase the beauty of the ocean in a compact and elegant format, this system is built to help your reef thrive while becoming a stunning centrepiece in any space.
Mantis Turbo DC Pump (Turbo 8000 & Turbo 15000)
Power your aquarium filtration and circulation system with the Mantis Turbo DC Pump, a high-performance, energy-efficient pump designed for both freshwater and marine aquarium applications. Built with advanced DC motor technology, the Turbo series delivers reliable, powerful water movement while maintaining quiet operation and efficient energy consumption.
Available in Turbo 8000 and Turbo 15000 models, these pumps are ideal for demanding aquarium setups requiring strong return flow, external filtration support, or customised water circulation. The Turbo series features adjustable speed control, durable internal components, and flexible installation options for professional aquarium systems.
Key Features
High-performance DC motor technology
Adjustable flow control with multiple speed settings
Energy-efficient 24V operation
Suitable for freshwater and saltwater aquariums
Can be used for submersible or external applications
Quiet operation with low vibration
Durable ceramic shaft and high-quality internal components
Smart controller with LED display
Safety protection against electrical abnormalities
Benefits
Provides powerful and consistent water circulation
Improves filtration efficiency and water quality
Supports healthier aquatic environments through better oxygen distribution
Allows precise control of flow rates to suit different aquarium needs
Reduces energy consumption compared to traditional pumps
Reliable performance for long-term aquarium operation
Available Models
Mantis Turbo 8000
Designed for medium to large aquarium systems requiring dependable circulation and filtration support.
Specifications
Maximum Flow Rate: 8,000 L/h
Maximum Head Height: 6 m
Power Consumption: 20W – 55W
Size: Approximately 203 × 99 × 191 mm
Mantis Turbo 15000
A high-capacity pump designed for larger aquariums and advanced filtration systems where increased flow and head pressure are required.
Specifications
Maximum Flow Rate: 15,000 L/h
Maximum Head Height: 8 m
Power Consumption: 20W – 105W
Size: Approximately 202 × 89 × 124 mm
How to Use
Position the pump inside the aquarium, sump, or filtration system depending on your setup.
Connect the appropriate inlet and outlet fittings.
Attach the controller and power supply.
Adjust the flow speed to match your aquarium requirements.
Regularly clean the pump housing and impeller to maintain optimal performance.
Specifications
Pump Type: DC Aquarium Return Pump
Suitable For:
Freshwater aquariums
Marine aquariums
Reef systems
Sump filtration systems
Custom aquarium installations
Installation Options:
Submersible use
External use
Perfect For
Large planted aquariums
Marine reef systems
High-flow filtration setups
Sump-based aquarium systems
Aquarists requiring reliable, adjustable water movement
Marsilea hirsuta – Epic Aquatics
Marsilea hirsuta is a versatile and hardy foreground plant valued for its unique leaf structure and adaptable growth habit. Depending on lighting and maintenance, it can form a low, carpet-like cover or develop taller, clover-shaped leaves for a more natural, wild appearance. This flexibility makes it a favourite among aquascapers aiming for both minimalistic and nature-style layouts.
Its slow to moderate growth and low maintenance requirements make Marsilea hirsuta an excellent choice for beginners, while still offering creative potential for advanced aquascapes.
Key Features
Adaptable growth ranging from low carpet to clover-like leaves
Creates a natural, soft foreground appearance
Suitable for foreground or open midground areas
Easy to propagate by dividing runners
Care Information
Marsilea hirsuta performs well under low to medium lighting, though higher light encourages lower, more compact growth. CO₂ supplementation is optional but helps promote faster spreading and denser carpets. Regular trimming helps maintain the desired height and shape.
Plant Details
Growth habit: Creeping / carpeting
Difficulty level: Easy
Lighting requirement: Low to medium
CO₂: Optional
Aquarium type: Freshwater planted tanks
Marsilea hirsuta – Epic Aquatics is an excellent choice for aquascapers looking for a flexible, low-maintenance plant that brings a natural and balanced look to their aquarium.
MasterLine All In One Boost – 200ml 500ml 1000ml 5000ml
Description:Give your aquarium plants the nutrients they need to thrive with MasterLine All In One Boost, a complete liquid fertilizer formulated for fast, healthy plant growth. This professional-grade plant supplement provides a balanced mix of essential macro and micronutrients to support vibrant colours, strong roots, and lush foliage in any freshwater aquarium.
Features:
Comprehensive formula containing nitrogen, phosphorus, potassium, iron, and trace elements
Designed for high-light, CO₂-injected aquariums and fast-growing plants
Enhances plant health, colour, and density
Prevents nutrient deficiencies and promotes steady growth
Easy to dose and highly concentrated for maximum efficiency
Safe for fish, shrimp, and other aquatic life
Directions for Use:Shake well before use. Dose daily or weekly according to plant needs and aquarium size. Adjust dosage based on plant density and lighting intensity for best results.
Available Sizes:
200ml
500ml
1000ml
5000ml
Recommended For:All planted freshwater aquariums requiring a complete, easy-to-use nutrient solution.
Why Choose MasterLine All In One Boost:✔ Balanced, high-quality formula trusted by aquascapers✔ Promotes vibrant, algae-free plant growth✔ Easy and consistent results for all experience levels
Masterline All In One Golden
Balanced all-in-one fertiliser for healthy growth and natural coloration
Masterline All In One Golden is a complete aquarium fertiliser designed to support steady, balanced plant growth while maintaining natural, vibrant colours across your aquascape. It provides a carefully optimised blend of macro and micro nutrients in one easy-to-use solution.
Ideal for aquarists who want consistent results without overcomplicating their fertilisation routine.
Available sizes
200ml
500ml
1000ml
5000ml
Select the size that suits your aquarium setup, whether you are maintaining a single display tank or multiple planted systems.
Balanced growth without extremes
Masterline All In One Golden is designed to provide a stable nutrient supply that supports healthy plant development without pushing excessive growth or demanding conditions.
It helps to:
Promote steady, controlled plant growth
Maintain natural green and golden tones
Improve plant strength and structure
Reduce the risk of nutrient imbalances
Complete all-in-one nutrition
This formula combines essential macro and micro nutrients into one balanced solution:
Nitrogen (N) for consistent growth
Phosphorus (P) for root and energy support
Potassium (K) for overall plant health
Iron (Fe) and trace elements for colour and balance
It simplifies your routine while still delivering reliable results.
Ideal for a wide range of aquariums
Masterline All In One Golden is suitable for:
Low to medium tech aquariums
Moderately planted tanks
Aquarists looking for a balanced, easy approach
Setups where stability is more important than rapid growth
It can also be used in higher-demand tanks with adjusted dosing.
Designed to work with the Masterline range
For best results, combine with other Masterline products:
Masterline Root Caps for substrate feeding
Masterline Carbo to support plant growth
Masterline Safe Water for water conditioning
Masterline Crystal Clear for maintaining water clarity
This creates a complete system that supports both plant health and overall aquarium stability.
Easy to dose
Add the recommended amount directly into your aquarium on a regular schedule. Consistent dosing helps maintain stable nutrient levels and prevents deficiencies.
For accuracy and convenience, use a dosing pump.
Product details
Available sizes: 200ml, 500ml, 1000ml, 5000mlSuitable for freshwater planted aquariumsDesigned for regular dosing
Who is this for
Ideal for beginners and experienced hobbyists alike who want a balanced, reliable fertiliser that supports healthy plants without the need for complex dosing strategies.
Masterline All In One Lean
Controlled fertilisation for balanced, algae-conscious plant growth
Masterline All In One Lean is a carefully balanced all-in-one fertiliser designed for aquariums that require a more controlled nutrient approach. It provides essential macro and micro nutrients in lower concentrations, making it ideal for maintaining healthy plant growth while reducing the risk of excess nutrients and algae.
Perfect for aquarists who prefer a lean dosing method or run lower-tech planted aquariums.
Available sizes
200ml
500ml
1000ml
5000ml
Choose the size that fits your aquarium setup, whether you are maintaining a single tank or multiple systems.
Why choose a lean fertilisation approach
In some aquariums, especially those with lower lighting, no CO₂, or lighter plant loads, full-strength fertilisation can lead to nutrient buildup and unwanted algae.
Masterline All In One Lean helps you:
Maintain steady, controlled plant growth
Reduce the risk of algae caused by excess nutrients
Prevent nutrient accumulation in the water column
Keep your aquarium stable and balanced
Complete nutrition in a lighter formula
This all-in-one solution still provides the essential nutrients your plants need, but in a more controlled ratio:
Nitrogen (N) for healthy growth
Phosphorus (P) for root and energy support
Potassium (K) for overall plant health
Iron (Fe) and trace elements for colour and balance
It delivers consistent results without overloading your system.
Ideal for low to medium demand aquariums
Masterline All In One Lean is best suited for:
Low-tech aquariums without CO₂
Tanks with moderate lighting
Aquariums with fewer or slower-growing plants
Hobbyists following a lean dosing method
It can also be used in high-tech setups where tighter nutrient control is preferred.
Designed to work with the Masterline range
For best results, combine with other Masterline products:
Masterline Root Caps for targeted root feeding
Masterline Carbo to support plant growth
Masterline Safe Water for water conditioning
Masterline Crystal Clear for maintaining water clarity
This combination ensures a balanced and stable aquarium environment.
Easy to dose
Add the recommended amount directly into your aquarium on a regular schedule. Consistent dosing helps maintain stable nutrient levels and supports long-term plant health.
For best accuracy, use a dosing pump.
Product details
Available sizes: 200ml, 500ml, 1000ml, 5000mlSuitable for freshwater planted aquariumsDesigned for regular dosing
Who is this for
Ideal for beginners, low-tech aquarium owners, and experienced aquascapers who prefer a more controlled and minimal nutrient approach.
Keep your aquarium balanced and healthy
If you want steady plant growth without the risk of over-fertilisation, Masterline All In One Lean offers a simple and effective solution for maintaining a clean, stable, and visually balanced aquarium.
Masterline All In One Red
Premium complete fertiliser for vibrant red plants and balanced growth
Masterline All In One Red is a specialised all-in-one aquarium fertiliser designed to promote strong, healthy plant growth while enhancing red pigmentation in demanding aquatic plants. It provides a complete balance of macro and micro nutrients in a single solution, making plant care simple, efficient, and highly effective.
Perfect for aquascapers who want intense colours, especially in red stem plants like Rotala, Ludwigia, and Alternanthera species.
Available sizes
200ml
500ml
1000ml
5000ml
Choose the size that suits your aquarium setup, whether you are maintaining a single display tank or managing multiple planted systems.
Designed for red plant enhancement
This formula is specially developed to support vivid red coloration while maintaining strong overall plant growth. It helps plants achieve their full colour potential under proper lighting and CO₂ conditions.
Benefits include:
Enhanced red and pink pigmentation
Strong, balanced plant growth
Improved leaf structure and density
Reduced nutrient deficiencies
Complete all-in-one nutrition
Masterline All In One Red simplifies aquarium fertilisation by combining essential nutrients into one easy dosing solution:
Nitrogen (N) for healthy growth
Phosphorus (P) for root development and energy
Potassium (K) for overall plant strength
Iron (Fe) for vibrant red and green coloration
Essential trace elements for balanced plant health
Ideal for high-tech planted aquariums
This fertiliser is best suited for aquariums with strong lighting, CO₂ injection, and demanding plant species. It ensures plants receive everything they need for optimal growth and colour expression.
Designed to work with the Masterline range
For best results, combine with other Masterline products:
Masterline Root Caps for strong substrate feeding
Masterline Carbo for enhanced carbon availability
Masterline Safe Water for safe water preparation
Masterline Crystal Clear for improved water clarity
Together, they create a complete and stable planted aquarium system.
Easy to dose
Add the recommended amount directly into your aquarium on a regular schedule. Consistent dosing ensures stable nutrient levels and prevents deficiencies or algae issues.
For best results, use a dosing pump for accuracy and consistency.
Product details
Available sizes: 200ml, 500ml, 1000ml, 5000mlSuitable for freshwater planted aquariumsDesigned for regular dosing in planted tanks
Who is this for
Ideal for aquascapers and planted tank enthusiasts who want intense red plant coloration, professional-level growth, and a simplified fertilisation routine.
Bring out the best in your aquascape
If you want richer colours, healthier plants, and a fully balanced fertilisation system, Masterline All In One Red is the perfect solution for achieving a vibrant, professional-looking planted aquarium.
Masterline Carbo
Liquid carbon for enhanced plant growth and healthier aquariums
Masterline Carbo is a highly effective liquid carbon supplement designed to support strong, healthy plant growth in planted aquariums. It provides an accessible source of carbon, one of the most essential elements for photosynthesis, helping your plants grow faster, fuller, and more vibrant.
Available in multiple sizes, Masterline Carbo is suitable for everything from small home aquariums to large, high-demand aquascapes.
Available sizes
200ml
500ml
1000ml
5000ml
Choose the size that best suits your aquarium needs, whether you are maintaining a single tank or multiple systems.
Why carbon supplementation matters
Carbon is a key building block for plant growth, but in many aquariums, natural carbon levels are limited. Without enough carbon, plants struggle to grow and can become weak or pale.
Masterline Carbo helps to:
Boost plant growth and density
Improve leaf colour and vitality
Support efficient photosynthesis
Help reduce algae by improving plant dominance
Ideal for all planted aquariums
This product is perfect for both low-tech and high-tech setups. It can be used as a standalone carbon source or alongside CO₂ injection to further enhance plant performance.
It is especially useful in tanks where CO₂ systems are not used, offering a simple and effective alternative.
Designed to work with the Masterline range
For best results, use Masterline Carbo as part of a complete fertilisation system:
Masterline I for essential micro nutrients
Masterline II for full macro and micro nutrition
Masterline Root Caps for substrate feeding
Masterline Safe Water for water conditioning
Masterline Crystal Clear for water clarity
Together, these products create a balanced environment that supports long-term plant health and aquarium stability.
Easy to dose
Add the recommended daily amount directly to your aquarium. Consistent dosing will provide the best results and help maintain steady plant growth.
Product details
Available sizes: 200ml, 500ml, 1000ml, 5000mlSuitable for freshwater planted aquariumsIdeal for daily dosing
Who is this for
Perfect for beginners looking for an easy way to improve plant growth, as well as experienced aquascapers aiming for lush, professional results.
Grow stronger, healthier plants
If you want faster growth, richer colours, and a more vibrant aquarium, Masterline Carbo is an essential addition to your daily routine.
Masterline Crystal Clear – 500ml
Fast and effective water clarification for aquariums
Masterline Crystal Clear is a highly effective water clarifier designed to quickly eliminate cloudiness and fine particles from your aquarium. It works by binding tiny floating debris together, allowing your filtration system to remove them efficiently and restore crystal clear water.
Whether your tank is newly set up, recently maintained, or experiencing a bacterial bloom, this solution helps bring clarity back without disrupting the balance of your aquarium.
Why use Masterline Crystal Clear
Cloudy water is a common issue in both new and established aquariums. It can be caused by suspended particles, overfeeding, substrate disturbance, or bacterial blooms.
Masterline Crystal Clear targets these issues by clearing:
Fine floating particles
Green or white cloudy water
Residue after maintenance or substrate changes
The result is visibly clearer water and a more polished, professional-looking aquarium.
Safe and effective formula
The formula is designed to be safe for fish, shrimp, and plants when used as directed. It works without harming beneficial bacteria, making it suitable for both freshwater planted tanks and community aquariums.
Designed to complement the Masterline range
Masterline Crystal Clear works best as part of a complete aquarium care system.
Pair it with:
Masterline Root Caps for strong root nutrition
Masterline I or II for balanced plant fertilisation
Masterline Carbo to enhance plant growth
While the Masterline fertiliser range supports plant health, Crystal Clear ensures your aquarium always looks its best with clean, clear water.
Easy to use
Add the recommended dosage directly to your aquarium. The product begins working quickly, with noticeable improvements in water clarity within a short period.
For best results, ensure your filtration system is running efficiently to remove the bound particles.
Product details
Volume: 500mlSuitable for freshwater aquariumsIdeal for planted and community tanks
Who is this for
Perfect for aquarium owners who want consistently clear water, whether you are maintaining a display tank, aquascape, or simply improving the overall appearance of your aquarium.
Restore clarity to your aquarium
If your tank is looking dull or cloudy, Masterline Crystal Clear offers a simple and reliable solution. Keep your aquarium looking clean, healthy, and visually striking with minimal effort.
Masterline Dosing Pump – 1.2ml
Accurate and effortless dosing for aquarium treatments and fertilisers
The Masterline Dosing Pump is designed to give you precise control when dosing liquids in your aquarium. Delivering a consistent 1.2ml per pump, it makes daily dosing simple, accurate, and mess-free.
Perfect for use with the full Masterline liquid range, this pump helps you maintain stable water parameters and consistent plant growth without the guesswork.
Why accurate dosing matters
Consistency is key in a healthy aquarium, especially in planted tanks. Overdosing or underdosing fertilisers and treatments can lead to poor plant growth, algae issues, or unstable conditions.
With the Masterline Dosing Pump, you can:
Dose the exact same amount every time
Avoid spills and waste
Maintain stable nutrient levels
Simplify your daily routine
Designed for convenience
This dosing pump fits Masterline bottles perfectly and is built for smooth, reliable operation. The 1.2ml output per press makes it easy to follow dosing schedules without needing measuring tools.
It is ideal for both beginners and experienced aquascapers who want a cleaner and more efficient way to manage their aquarium care routine.
Perfect match for the Masterline range
The dosing pump is the ideal companion for all Masterline liquid products, including:
Masterline I for daily micro nutrients
Masterline II for complete fertilisation
Masterline Carbo for enhanced plant growth
Masterline Safe Water for water conditioning
Masterline Crystal Clear for water clarity
Using a dosing pump ensures you get the most out of these products by applying them accurately and consistently.
Easy to use
Simply replace your bottle cap with the dosing pump and press to dispense. Each full press delivers approximately 1.2ml, making it easy to track your dosing.
Product details
Output per pump: 1.2mlCompatible with Masterline bottlesSuitable for aquarium fertilisers and liquid treatments
Who is this for
Ideal for aquarium hobbyists who want precise dosing, cleaner application, and a more professional approach to aquarium maintenance.
Take the guesswork out of dosing
If you want a simple, reliable way to dose your aquarium products with accuracy, the Masterline Dosing Pump is an essential upgrade to your setup.