Seachem Acid Regulator – 250g
Seachem acid regulator is a buffering powder used to safely lower and stabilise pH in freshwater aquariums. It creates a slightly acidic environment that many tropical fish prefer and helps keep water chemistry stable over time.
What it does
Lowers and buffers pH to an acidic range (around 5.0–7.0)
Helps create ideal conditions for fish such as tetras, angelfish, discus, and other soft-water species
Stabilises pH to prevent sudden swings
Supports healthy biological activity and reduces stress on fish
Works well with Seachem neutral regulator or alkaline regulator to fine-tune pH
Why it’s useful
Helps recreate natural soft-water environments
Makes pH control simple and predictable
Helps avoid fluctuating conditions that can stress fish
Ideal for community tanks with fish that prefer lower pH
Suitable for regular maintenance or adjusting new water during water changes
How to use
Add the recommended dose to new or existing aquarium water
Adjust gradually to the desired pH range
Re-dose during water changes to maintain stable conditions
Test water regularly when adjusting pH
(Use only in freshwater.)
Ideal for
Tetras, discus, angelfish, rasboras, gouramis, and other soft-water species
Freshwater community tanks
Water with naturally high pH or hardness
Aquarists needing reliable, consistent pH control
Stable, controlled pH for soft-water aquariums
Seachem acid regulator 250g offers a safe and effective way to achieve and maintain the acidic conditions preferred by many tropical fish.
Seachem NutriDiet Vacation Tabs
NutriDiet vacation tabs are slow-release food tablets designed to feed aquarium fish while you are away. Each tab dissolves gradually and delivers a balanced, high-quality diet without clouding the water. They are suitable for most freshwater community fish and make short trips stress-free for both you and your aquarium.
What they do
Provide steady, controlled feeding for up to 3 days per tab
Release food slowly to prevent overfeeding
Maintain water clarity with a clean-dissolving formula
Offer complete nutrition with vitamins, minerals, and proteins
Designed for freshwater community fish
Why they’re useful
Ideal for weekends or short getaways
Reduce the risk of water pollution caused by cheap vacation blocks
Keep fish fed without needing someone to visit your home
Made with high-quality ingredients for better digestion
Safe for most community species, including tetras, guppies, barbs, and small gouramis
How to use
Add the correct number of tabs based on tank size and number of fish
Place the tabs in an area with moderate water flow
Allow them to dissolve naturally over the feeding period
(For longer trips, add fresh tabs after 3 days or use an automatic feeder.)
Ideal for
Freshwater community aquariums
Weekend trips and short holidays
Tanks with small–medium fish
Aquarists who want a clean and reliable vacation feeding option
Reliable feeding while you’re away
Seachem NutriDiet vacation tabs offer a safe, nutritious, and clean way to keep fish fed when you can’t be there.
Seachem pH Alert
The seachem pH alert is a small, colour-changing sensor that gives you continuous pH monitoring inside your freshwater aquarium. It shows changes instantly and makes it easy to keep your water stable without test strips or liquid kits.
What it does
Continuously monitors pH in freshwater tanks
Uses a clear colour scale you can read at a glance
Shows changes instantly, helping you spot problems early
Lasts about 3 to 6 months, depending on water conditions
No batteries, calibration, or maintenance needed
Why it’s useful
Helps maintain stable pH for healthy fish and plants
Great for community tanks, planted tanks, shrimp tanks, and betta tanks
Ideal for beginners and convenient for experienced aquarists
More economical than regular test strips
Slim design that sits neatly inside the aquarium
How to use
Rinse the pH alert with aquarium water
Place it inside the tank where it is easy to see
Check the colour against the built-in scale any time
Replace when the sensor becomes slow to respond
Ideal for
Freshwater aquariums
New setups needing stability checks
Planted tanks and shrimp tanks
Nano tanks and betta tanks
Quarantine and breeding tanks
Simple, clear pH monitoring
The seachem pH alert offers quick, everyday visibility of your tank’s pH, helping you keep your aquarium stable and your fish comfortable.
Seachem StressGuard – Premium Slime Coat and Healing Support
seachem stressguard is a premium slime-coat support and protective treatment designed to help reduce stress, improve wound healing and protect fish during transport, handling or recovery. it forms a light protective layer that helps prevent infection and supports natural healing without affecting the water’s oxygen levels.
stressguard is ideal for new fish, after water changes, during transportation, or any time fish show signs of stress or minor injuries. it is safe for freshwater and marine aquariums and can be used with other seachem products.
what it does
reduces stress and supports healing
offers protective slime-coat enhancement
helps prevent infection on wounds and abrasions
safe for freshwater and marine aquariums
available sizes (select your size above)
stressguard 50 ml
stressguard 100 ml
stressguard 250 ml
stressguard 500 ml
Aquavitro Vibrance – Iron Supplement for Marine Plants and Macroalgae
aquavitro vibrance is a high-quality iron supplement formulated to support healthy growth and colour in marine plants and macroalgae. iron is an essential nutrient that helps drive photosynthesis, encourages strong tissue development and promotes natural, vibrant colouration.
vibrance uses a highly bioavailable form of iron that is easily absorbed without clouding the water. it is ideal for refugiums, macroalgae systems and marine aquariums that need reliable nutrient support.
what it does
provides essential iron for healthy plant and macroalgae growth
supports natural colour and vitality
promotes strong photosynthetic activity
helps maintain a balanced marine nutrient environment
available sizes
150 ml – great for nano tanks and small refugiums
350 ml – suitable for most home marine systems
1 l – convenient for large tanks or continuous dosing schedules
Aquavitro Ions – Magnesium Supplement for Marine Aquariums
aquavitro ions is a high-purity magnesium supplement designed to restore and maintain optimal magnesium levels in marine aquariums. stable magnesium is essential for maintaining balanced calcium and alkalinity, and it supports healthy coral growth, coloration and overall system stability.
ions uses a highly concentrated, ionically balanced form of magnesium that dissolves cleanly and is immediately available for use by corals and invertebrates. it is suitable for both reef and fish-only systems and can be used for routine maintenance or targeted adjustments.
what it does
restores and maintains essential magnesium levels
helps stabilise calcium and alkalinity balance
supports strong coral growth and natural colour
ideal for daily or scheduled dosing
available sizes
150 ml – ideal for nano and small marine tanks
350 ml – suited for most home reef setups
1 l – convenient for larger systems or regular dosing
4 l – value size for long-term use and multi-tank environments
Aquavitro Fuel – Marine Plant and Coral Nutrient Supplement
aquavitro fuel is a comprehensive biological supplement designed to support healthy growth in marine macroalgae, soft corals, zoanthids and other photosynthetic organisms. it provides a balanced mix of vitamins, amino acids and nutrients that help improve colour, vitality and overall system stability.
fuel is formulated to deliver essential organics in a form readily absorbed by aquarium life. it supports natural metabolic processes and encourages healthy tissue development without clouding the water.
what it does
provides essential vitamins and amino acids
supports strong growth in macroalgae and soft corals
enhances colour and overall vitality
helps maintain a balanced, nutrient-rich marine environment
available sizes
150 ml – ideal for nano and small reef tanks
350 ml – suitable for most home marine systems
1 l – for larger aquariums or regular dosing schedules
4 l – value size for long-term use and multi-tank setups
AquaVitro™ Calcification – Calcium Supplement for Reef Aquariums
Available in 150 ml • 350 ml • 1 L • 4 L
AquaVitro Calcification™ is a premium, highly bioavailable calcium supplement designed to support strong skeletal growth in corals, clams, and other reef-building invertebrates. Its unique formulation provides ionic calcium that is rapidly absorbed, helping to maintain stable levels in marine systems without altering pH.
Key Features
Highly Bioavailable Ionic Calcium: Supports fast coral growth and healthy skeletal development.
Reef-Safe Formula: Ideal for SPS, LPS, soft corals, and other calcifying invertebrates.
Does Not Affect pH: Supplies clean calcium without shifting water chemistry.
Promotes Coral Health: Encourages strong polyp extension, coloration, and vitality.
Premium AquaVitro Quality: Produced with laboratory-grade ingredients for unmatched consistency.
Ideal for Daily or Automated Dosing: Works well in all reef systems, from nanos to large SPS tanks.
Size Breakdown
Calcification™ 150 ml
Perfect for nano reefs, small aquariums, or hobbyists testing and fine-tuning calcium supplementation.
Calcification™ 350 ml
Great for standard-sized home reef tanks, offering convenience and excellent dosing control.
Calcification™ 1 L
A cost-effective option for medium to large reef aquariums and regular supplementation routines.
Calcification™ 4 L
Best value for big reef systems, coral farms, marine shops, and high-consumption tanks. Ideal for automated dosing setups.
Why You’ll Love It
A stable calcium level is essential for a thriving reef. AquaVitro Calcification™ makes it easy to maintain strong coral growth and vibrant health with a clean, reliable, and highly effective formula trusted by advanced reef keepers.
AquaVitro™ Balance – pH & Alkalinity Stabilizer for Planted Aquariums
Available in 350 ml • 1 L
AquaVitro Balance™ is a premium pH stabilizer designed specifically for planted freshwater aquariums. Its unique formula gently raises carbonate hardness (KH) without increasing general hardness (GH), helping maintain stable pH levels essential for plant health and CO₂-rich environments.
Key Features
Stabilizes pH: Prevents dangerous pH swings in planted tanks, especially those running CO₂.
Raises KH, Not GH: Adds valuable buffering capacity without affecting calcium or magnesium levels.
Supports Healthy Plant Growth: Stable pH ensures more consistent CO₂ availability and nutrient uptake.
Gentle & Safe: Designed for delicate freshwater plants and fish communities.
Highly Concentrated: Efficient dosing for prolonged stability.
Premium AquaVitro Quality: Made with high-purity ingredients for precision and consistency.
Size Breakdown
Balance™ 350 ml
Ideal for small to medium planted aquariums. Easy to store and perfect for routine maintenance dosing.
Balance™ 1 L
Best for larger planted systems, aquascapes, aquarium rooms, and hobbyists who perform frequent water changes. Offers the best value per dose.
Why You’ll Love It
A stable pH is essential for a thriving planted tank—especially when running CO₂. AquaVitro Balance™ helps you maintain that stability effortlessly, supporting stronger plant growth, healthier fish, and a more resilient ecosystem.
AquaVitro™ Alpha – Premium Water Conditioner for Marine & Freshwater Aquariums
Available in 150 ml • 350 ml • 1 L
AquaVitro Alpha is a professional-grade water conditioner designed to make tap water instantly safe for aquarium use. Formulated for both freshwater and marine environments, Alpha removes chlorine, chloramine, detoxifies ammonia, and protects fish during water changes, transport, or new tank setups.
Key Features
Instant Chlorine & Chloramine Removal: Makes tap water safe immediately.
Detoxifies Ammonia, Nitrite & Heavy Metals: Helps protect fish during stress or cycling periods.
Highly Concentrated Formula: Stronger than standard conditioners, offering better value per dose.
Safe for Marine & Freshwater: Suitable for reef systems, planted tanks, and community aquariums.
Fish-Safe: Helps reduce stress during water changes or after maintenance.
Premium AquaVitro Quality: Manufactured with laboratory-grade ingredients for consistent performance.
Size Breakdown
Alpha™ 150 ml
Perfect for nano tanks, small aquariums, shrimp tanks, and hobbyists who need a compact bottle with powerful conditioning.
Alpha™ 350 ml
Great for medium-sized aquariums and regular water changes, offering excellent value and convenience.
Alpha™ 1 L
Ideal for large aquariums, multiple tanks, breeders, marine systems, and heavy water-change routines. Maximum value per dose.
Why You’ll Love It
Alpha simplifies water conditioning and protects your fish from harmful contaminants. With its concentrated formula, you use less product while ensuring your aquarium stays safe, stable, and healthy — whether freshwater, marine, or reef.
Seachem Salinity™ – Bulk Drum
High-Capacity Premium Reef Salt for Large Marine Systems
The Seachem Salinity™ Drum is a large-volume, professional-grade reef salt option designed for aquarists, coral farms, and marine facilities that require consistent, high-quality saltwater in bulk. Formulated using laboratory-grade ingredients, Salinity™ delivers stable and reliable chemistry for even the most demanding reef environments.
Key Features
Bulk Capacity: Ideal for large tanks, commercial systems, and high-volume water changes.
Ultra-Pure Formula: Made using pharmaceutical-grade components for unmatched consistency and clarity.
Optimized for Corals: Balanced levels of calcium, alkalinity, magnesium, and essential trace elements to support SPS, LPS, and mixed reefs.
High Yield: Concentrated formula produces more saltwater per unit than standard marine salts.
Rapid, Clean Dissolve: Mixes quickly with minimal residue, clouding, or unwanted precipitation.
Professional Reliability: Trusted by reef clubs, commercial growers, and advanced hobbyists.
Ideal For
Large reef aquariums
Coral farms & frag systems
Marine shops & commercial facilities
High-demand hobbyists using automated mixing systems
Why It’s Great
The Seachem Salinity™ Drum ensures you always have a reliable supply of premium reef salt on hand. Perfect for maintaining stable parameters in large or coral-heavy tanks, it offers both convenience and top-tier performance in one bulk packaging solution.
Seachem Salinity™ – 29.8 kg Premium Reef Salt Mix
Ultra-Pure, Laboratory-Grade Salt for Demanding Reef Aquariums
Seachem Salinity™ (29.8 kg) is a premium, scientifically formulated reef salt designed for serious marine aquarists who want exceptional stability, purity, and performance. Created for coral-intensive systems, Salinity provides the ideal balance of major, minor, and trace elements needed to support vibrant, healthy reef environments.
Key Features
Laboratory-Grade Purity: Manufactured using pharmaceutical-grade components for unmatched consistency and quality.
Optimized for Reef Growth: Perfect balance of calcium, alkalinity, and magnesium to support SPS, LPS, and mixed reefs.
High Concentration Formula: Produces more saltwater per kilogram than standard mixes—great value for large systems.
Fast Dissolving: Mixes clean and clear with minimal residue or unwanted precipitation.
Stable Chemistry: Designed to maintain consistent parameters, even in demanding coral setups.
Trusted by Professionals: Used worldwide in advanced reef systems, coral farms, and high-end marine aquariums.
Ideal For
SPS & LPS reef tanks
Mixed reef aquariums
Coral growers and frag systems
Large tank setups needing reliable, high-output salt mix
Why You’ll Love It
Seachem Salinity™ delivers professional-grade performance with every batch. Whether you are growing delicate SPS or maintaining a thriving reef community, this 29.8 kg bucket ensures you get consistent, clean, and stable water chemistry—every time you mix.