Seachem

214 products

  • Last stock! Seachem Tanganyika Buffer 250g

    Seachem Tanganyika Buffer 250g

    Seachem Tanganyika Buffer 250g Description Seachem Tanganyika Buffer is designed to replicate the hard, alkaline water conditions of Lake Tanganyika, one of Africa’s great rift lakes. It raises and stabilizes pH and carbonate hardness (kH) to create an optimal environment for Tanganyikan cichlids and other alkaline‑water fish species. The carefully balanced buffering formula helps maintain stable water chemistry, reducing stress on fish and supporting overall health and performance. Key Features Raises pH to the alkaline range ideal for Tanganyika‑dwelling fish Increases carbonate hardness (kH) for stable buffering Mimics natural Lake Tanganyika water conditions Designed specifically for freshwater aquariums Easy‑to‑use granular formula Helps provide long‑term pH stability Benefits Creates ideal water chemistry for Tanganyikan cichlids and similar species Reduces pH swings that can stress fish Improves overall fish health and coloration Helps maintain consistent aquarium conditions Easy to use for routine water adjustments Usage Use 1 level teaspoon (~5 g) per 40–80 L of aquarium water Dissolve in replacement water before adding to the tank when possible Adjust dosage gradually until desired pH and kH are reached Once target conditions are achieved, maintain during water changes or as needed Monitor pH and carbonate hardness regularly to ensure stability

    R 248.00

  • Last stock! Seachem Malawi Victoria Buffer 300–600g Seachem Malawi Victoria Buffer 300–600g

    Seachem Malawi Victoria Buffer 300–600g

    Seachem Malawi Victoria Buffer 300–600g Description Seachem Malawi/Victoria Buffer is a specialized water conditioner designed to create and maintain the ideal alkaline and hard water conditions found in the natural habitats of Malawi and Victoria cichlids. It raises pH and increases carbonate hardness (kH) to help establish a stable, mineral‑rich environment that supports the health, color, and breeding potential of African cichlids. The formula contains phosphate and carbonate buffers that help maintain long‑term pH stability while supporting optimal water chemistry for species that thrive in hard, alkaline water. Key Features Raises and stabilizes pH in alkaline range suitable for Malawi & Victoria cichlids Increases carbonate hardness (kH) for stable water buffering Contains phosphate and carbonate buffering agents Helps mimic natural lake water conditions Ideal for African cichlid aquariums Available in sizes to suit various aquarium volumes Benefits Creates and maintains optimal water conditions for Malawi and Victoria cichlids Reduces pH fluctuations to minimize fish stress Enhances long‑term water stability and clarity Supports vibrant coloration and overall fish health Helps provide an environment conducive to breeding Usage Use 5 g (about 1 level teaspoon) per 40–80 L of aquarium water to raise pH and kH Dissolve in replacement water before adding to the aquarium for best results Adjust dosage gradually until desired pH and kH are achieved Once target conditions are reached, dose periodically during water changes to maintain stability Monitor pH and carbonate hardness regularly to ensure consistent water chemistry

    R 248.00 - R 420.00

  • Last stock! Seachem Alkaline Regulator 250g

    Seachem Alkaline Regulator 250g

    Seachem Alkaline Regulator 250g Description Seachem Alkaline Regulator is a freshwater aquarium buffer designed to raise and stabilize pH within the alkaline range of 7.1–7.6. It helps create the ideal environment for fish species that prefer alkaline water conditions, such as many rainbowfish and African cichlids. The formula contains phosphate buffers and conditioning agents that maintain stable water chemistry, helping aquarists safely adjust pH levels while supporting a healthy aquarium ecosystem. Key Features Raises and stabilizes pH in the alkaline range (7.1–7.6) Supports fish species that thrive in alkaline water conditions Contains phosphate buffers for stable pH control Helps create a balanced freshwater aquarium environment Can be used with Neutral Regulator to target a specific pH Safe for freshwater fish adapted to alkaline water Benefits Creates optimal water conditions for alkaline-loving fish Helps maintain stable pH levels to reduce fish stress Improves overall water chemistry stability Provides precise pH control when used with other regulators Supports healthier and more stable freshwater aquariums Usage Use 1 level teaspoon (about 5 g) for every 40–80 L of aquarium water Dose daily until the desired pH level is reached Once the target pH is achieved, use monthly or during water changes to maintain stability Dissolve in replacement water before adding to the aquarium when possible Monitor pH regularly to ensure stable water parameters

    R 270.00

  • Seachem Cupramine 50–500ml

    Seachem Cupramine 50–500ml

    Seachem Cupramine 50–500ml Description Seachem Cupramine is a highly effective copper-based medication designed to treat a wide range of external fish parasites in marine and freshwater aquariums. Using a unique buffered copper formula, Cupramine is safer for fish than traditional ionic copper treatments while still delivering powerful parasite control. It effectively treats diseases such as ich, velvet, and other external infestations while remaining stable and easy to monitor with copper test kits. Key Features Highly effective copper-based parasite treatment Safe, buffered copper formula for improved fish tolerance Effective against ich, velvet, and other external parasites Suitable for both freshwater and marine aquariums Easy to monitor with copper test kits Does not contaminate the aquarium permanently when removed with chemical filtration Benefits Rapidly treats common and harmful fish parasites Safer for fish compared to many traditional copper medications Helps restore fish health and reduce parasite-related stress Reliable and stable treatment for quarantine or hospital tanks Trusted solution for maintaining healthier fish during disease outbreaks Usage Remove any chemical filtration such as carbon before dosing Dose according to the aquarium volume as directed on the product label Treat the aquarium or quarantine tank over the recommended treatment period Monitor copper levels using a reliable copper test kit Do not use in aquariums containing invertebrates or corals After treatment, remove medication using activated carbon and perform water changes

    R 199.00 - R 1,174.00

  • Seachem Impulse 400–800 Water Pump Seachem Impulse 400–800 Water Pump

    Seachem Impulse 400–800 Water Pump

    Seachem Impulse 400–800 Water Pump Description The Seachem Impulse 400–800 is a quiet, energy-efficient multi-function water pump designed for both freshwater and marine aquariums. Built with a durable synchronous motor and advanced impeller design, it provides reliable water movement for aquariums, sumps, reactors, and protein skimmers. The pump can be used either submerged or inline, offering flexible installation for a wide range of aquarium setups. Adjustable flow control allows you to easily set the ideal water flow for your system. Key Features Multi-function aquarium pump suitable for freshwater and marine systems Adjustable flow control for precise water movement Can be used submerged or as an inline pump Energy-efficient and ultra-quiet operation Durable synchronous motor with advanced impeller design Ceramic shaft and bearings for long-lasting performance Includes multi-size hose adapters and suction cups for easy installation Benefits Provides reliable water circulation for healthier aquariums Flexible installation options for different filtration setups Quiet operation ideal for home or office aquariums Adjustable flow allows customization for different tank sizes Durable components ensure long service life Usage Install the pump fully submerged in the aquarium or sump, or use inline with compatible tubing Attach the appropriate hose adapter for your plumbing setup Secure the pump using the included suction cups if using submerged Adjust the flow control to achieve the desired water movement Use for applications such as filtration systems, reactors, protein skimmers, or water circulation in aquariums and ponds

    R 1,323.00 - R 2,731.00

  • Last stock! Seachem U tube 10mm-20mm Seachem U tube 10mm-20mm

    Seachem U tube 10mm-20mm

    Seachem U Tube Improve your CO₂ or airline setup with the Seachem U Tube — a clear, high‑quality glass U‑shaped tube designed to let tubing pass over your aquarium rim without bending or kinking. It’s a simple but essential piece of glassware for planted and reef systems that helps keep your tubing neat and safe while enhancing gas flow reliability. Key Features Strong, clear glass U‑tube for elegant looks and minimal visibility in your tank Allows airline or CO₂ tubing to run over the rim without bending or creasing Compatible with standard 6 mm / 1/4″ silicone tubing Available in both 10 mm and 20 mm widths to fit rimless and rimmed tank designs Benefits ✅ Keeps CO₂ and airline tubing straight and kink‑free✅ Helps maintain consistent gas flow for healthier plants or air delivery✅ Sleek glass design that blends into your aquascape✅ Easy to install and reposition as needed✅ Works with both CO₂ systems and air pumps Why Consider a Seachem U Tube Ideal if you want a professional‑looking CO₂ setup Great for reducing stress on tubing that can kink over the tank rim Helps extend the life of tubing by preventing sharp bends A useful addition for planted and high‑tech aquariums Instructions for Use Rinse the glass U Tube with warm water before first use. Trim a piece of 6 mm (1/4″) silicone tubing to the desired length. Wet the end of the tubing and gently slide it over the glass ends. Hang the U Tube over the rim of your aquarium at the desired position. Connect the other end of the tubing to your CO₂ or airline system and check for straight, unobstructed airflow.

    R 224.00 - R 252.00

  • Last stock! Glass pH Checker Refill (Seachem CO₂ Indicator Solution) 50ml

    Glass pH Checker Refill (Seachem CO₂ Indicator Solution) 50ml

    Glass pH Checker Refill (Seachem CO₂ Indicator Solution) Keep your Seachem glass pH checker working at peak performance with this ready‑to‑use CO₂ indicator solution refill. It’s formulated specifically to replace the colour reagent inside your glass pH checker so you can continue monitoring your aquarium’s pH and CO₂ related changes with clear colour results. Key Features Ready‑to‑use CO₂ indicator solution designed for glass pH checkers Shows pH change through colour shifts from yellow to green to blue Helps indicate relative CO₂ levels and pH impact in planted aquariums Easy refill for consistent long‑term monitoring Suitable for freshwater tanks with CO₂ systems Benefits ✅ Restores your pH checker’s ability to give clear visual readings✅ Helps maintain consistent pH/CO₂ monitoring without frequent test kits✅ Ready‑mixed for quick, mess‑free refilling✅ Supports healthier plant growth by helping you fine‑tune CO₂ dosing✅ Simple and safe for regular aquarium use Reasons to Consider It Ideal when the original indicator fluid has run low or faded A must‑have for planted aquarium CO₂ systems Helps your glass pH checker stay accurate longer Saves time vs mixing your own indicator solution Instructions for Use Remove the glass pH checker from the aquarium. Fill the small bulb with indicator solution (about 15–20 drops). Invert the checker slowly to avoid spillage. Place it back in the tank away from direct diffuser output. Watch the colour change to monitor pH/CO₂ levels.

    R 116.00

  • Last stock! Seachem Glass pH Checker

    Seachem Glass pH Checker

    Seachem Glass pH Checker Ensure your planted aquarium CO₂ system stays balanced with the Seachem glass pH checker — a clear, easy‑to‑read monitoring tool that helps you track pH levels influenced by CO₂ injection without constantly using test kits. Ideal for aquascapers and planted tank hobbyists who want a visual way to monitor water chemistry changes. Key Features Glass pH monitor with colour‑changing indicator Responds to CO₂‑related pH shifts in the aquarium Includes suction cup for convenient placement Works well in planted tanks with CO₂ systems Compact and easy to use in most aquarium sizes Benefits ✅ Lets you visually track pH shifts caused by CO₂ in real time✅ Helps you maintain stable CO₂ levels for healthier plant growth✅ Reduces the need for frequent manual test kits✅ Simple to install and monitor✅ Blends unobtrusively in your aquascape How It WorksThe glass chamber is filled with an indicator solution that changes colour based on the pH of your tank water — typically shifting from yellow to green to blue as pH increases or decreases. This gives you a quick visual cue of changing CO₂ and pH levels. Instructions for Use Fill the small bulb with the provided indicator solution as instructed. Invert the glass pH checker carefully so no solution spills. Attach it inside the aquarium using the suction cup, away from direct diffuser output. Monitor the color of the indicator to estimate pH changes: Yellow = lower pH / higher CO₂ Green = moderate pH Blue = higher pH / lower CO₂ Refill or replace the indicator solution as needed.  

    R 337.00

  • Last stock! Seachem Glass In-line Diffuser Seachem Glass In-line Diffuser

    Seachem Glass In-line Diffuser

    Glass In‑Line Diffuser Enhance your planted aquarium’s CO₂ system with a Glass In‑Line Diffuser — a high‑quality glass accessory that diffuses CO₂ more efficiently as water flows through it, helping your plants absorb carbon dioxide more effectively for stronger growth, improved coloration, and better overall health. Key Features High‑clarity glass construction for durability and aesthetics Designed to be installed inline with return pumps or canister filters Creates ultra‑fine CO₂ bubbles for superior dissolution Ideal for medium to large planted aquariums Works with standard CO₂ tubing and fittings Benefits ✅ Improves CO₂ dissolution for healthier plant growth✅ Helps maximise photosynthesis efficiency✅ Provides consistent CO₂ distribution throughout the aquarium✅ Sleek glass design blends cleanly into aquascapes✅ Easy to integrate with filtration systems Reasons to Consider a Glass In‑Line Diffuser Great choice if you want more efficient CO₂ use with less waste Ideal for planted tanks with moderate to high light and nutrient needs Helps stabilise CO₂ levels across the entire water column Works well with pressurised CO₂ systems and reactors Instructions for Use Rinse the diffuser with clean water before installation. Connect the glass diffuser inline between your return pump or canister filter outlet and CO₂ reactor (or tubing). Ensure all connections are tight and secure. Adjust your CO₂ regulator to achieve the desired bubbles per minute. Monitor performance over time and clean the glass periodically to remove algae or buildup.

    R 2,304.00

  • Last stock! Seachem Glass Feeder Seachem Glass Feeder

    Seachem Glass Feeder

    Seachem Glass Feeder A Glass Feeder is a sleek and effective accessory for feeding your aquarium fish with precision and control. Made from clear, durable glass, it allows you to dispense food or supplements directly into target areas—perfect for reef tanks, breeding setups, or when feeding shy or picky eaters without scattering food throughout the aquarium. Key Features Durable clear glass construction Designed for targeted feeding in aquariums Helps prevent excess food from spreading Ideal for reef tanks, saltwater setups, and planted aquariums Easy to clean and reuse Benefits ✅ Allows precise feeding to reach specific fish or corals✅ Reduces wasted food and water fouling✅ Helps avoid overfeeding and poor water quality✅ Simple design that fits most tank setups✅ Easy to clean and maintain Reasons to Consider a Glass Feeder Excellent for reef aquariums where coral or invertebrates need targeted nutrition Great for feeding shy or timid fish that don’t compete well at the surface Helps improve water quality by reducing food waste A useful tool for breeding or hospital tanks Instructions for Use Rinse the glass feeder with clean water before use. Place the feeder inside the aquarium at the desired location. Add the appropriate amount of food or supplement into the feeder opening. Allow fish or corals to feed directly from the glass feeder. Remove and clean after feeding to prevent buildup.

    R 1,481.00

  • Last stock! Seachem Glass Bubble Counter Seachem Glass Bubble Counter

    Seachem Glass Bubble Counter

    Seachem Glass Bubble Counter Take control of your aquarium’s CO₂ system with a Glass Bubble Counter, an essential accessory for planted tanks that lets you measure and adjust your CO₂ flow accurately. Its transparent glass design gives you a clear view of each bubble, making it easier to fine‑tune your CO₂ dosing for vibrant, healthy aquatic plants. Key Features Clear glass construction for easy bubble visibility Works with standard CO₂ tubing Helps you accurately monitor CO₂ bubbles per minute Simple, compact design fits most planted systems Ideal for use with CO₂ regulators and diffusers Benefits ✅ Provides precise CO₂ monitoring for better plant health✅ Makes adjusting bubble rate quick and easy✅ Helps prevent over‑ or under‑dosing CO₂✅ Simple visual feedback without electronics✅ Blends seamlessly into planted aquarium setups Reasons to Consider a Glass Bubble Counter Perfect for hobbyists using pressurised CO₂ systems Great for improving plant photosynthesis and growth Helps beginners learn correct CO₂ dosing A reliable tool for consistent aquarium maintenance Instructions for Use Rinse the bubble counter with clean water before installation. Attach CO₂ tubing to the inlet and outlet fittings. Fill the chamber to the recommended level (if required) with water. Adjust your CO₂ regulator to set the desired bubbles per minute. Monitor the bubble rate regularly and clean as necessary to prevent buildup.

    R 293.00

  • Last stock! Seachem Glass Bubble Counting Spiral Diffuse

    Seachem Glass Bubble Counting Spiral Diffuse

    Seachem Glass Bubble Counting Spiral Diffuser Optimize your CO₂ setup and get precise bubble control with this Glass Bubble Counting Spiral Diffuser — a stylish and functional accessory that enhances CO₂ distribution in planted aquariums. The spiral chamber lets you easily count and visualise CO₂ bubbles per minute while diffusing gas efficiently into the water for healthier plant growth. Key Features Premium glass construction for durability and aesthetics Spiral chamber for accurate CO₂ bubble counting Works with standard CO₂ tubing Improves gas dissolution for healthier aquatic plants Easy‑to‑read visuals for fine‑tuning CO₂ dosing Benefits ✅ Provides precise control of CO₂ dosing using visible bubble counting✅ Enhances CO₂ diffusion for better plant nutrient absorption✅ Stylish glass design blends seamlessly into planted aquariums✅ Easy to install and monitor without guesswork✅ Helps you achieve more consistent plant growth and health Why Consider This Spiral Diffuser Ideal for hobbyists using pressurised CO₂ systems Great for aquascapes where CO₂ control matters most Helps both beginners and advanced growers fine‑tune their dosing A valuable tool for increasing plant photosynthesis efficiency Instructions for Use Rinse the diffuser with clean water before installation. Connect CO₂ tubing to the spiral chamber inlet (wet tubing helps slide it on). Place the diffuser just below the water surface for best bubble visibility. Adjust your CO₂ regulator to set the desired bubbles per minute. Monitor the diffuser during operation and clean as needed to prevent algae buildup.

    R 637.00

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