Seachem

214 products

  • Seachem Prime – Complete Water Conditioner Seachem Prime – Complete Water Conditioner

    Seachem Prime – Complete Water Conditioner

    Seachem Prime – Complete Water Conditioner seachem prime is a concentrated water conditioner that removes chlorine, chloramine and detoxifies ammonia, nitrite and nitrate. it makes tap water safe for both freshwater and marine aquariums while supporting a healthy environment for fish and invertebrates. prime also helps neutralise heavy metals and improves water clarity without affecting pH. it is highly concentrated, meaning you use less per dose compared to many other conditioners. ideal for new tanks, water changes or emergency situations. what it does removes chlorine and chloramine detoxifies ammonia, nitrite and nitrate neutralises heavy metals safe for freshwater and marine systems highly concentrated for long-term value available sizes (select your size above) prime 50 ml prime 100 ml prime 250 ml prime bonus 325 ml prime 500 ml prime 1 l prime 2 l prime 4 l

    R 120.00 - R 3,203.00

  • Seachem Stability – Biological Starter and Filter Support Seachem Stability – Biological Starter and Filter Support

    Seachem Stability – Biological Starter and Filter Support

    Seachem Stability – Biological Starter and Filter Support seachem stability is a concentrated blend of beneficial bacteria designed to establish and maintain a strong biological filter in both freshwater and marine aquariums. it helps process ammonia, nitrite and nitrate, creating a safer and more stable environment for fish and invertebrates. stability is ideal for new setups, after water changes, filter cleaning, medication treatments or any time the biological filter needs support. it works quickly, is safe for all tank inhabitants and does not require refrigeration. what it does introduces reliable beneficial bacteria supports new tank cycling helps reduce ammonia, nitrite and nitrate strengthens biological filtration in established tanks safe for freshwater and marine systems available sizes (select your size above) stability 50 ml stability 100 ml stability 250 ml stability bonus 325 ml stability 500 ml stability 1 l stability 2 l stability 4 l

    R 114.00 - R 2,777.00

  • Seachem Alerts Combo Pack – Ammonia and pH Seachem Alerts Combo Pack – Ammonia and pH

    Seachem Alerts Combo Pack – Ammonia and pH

    Seachem Alerts Combo Pack – Ammonia and pH The seachem alerts combo pack includes the ammonia alert and the pH alert, two colour-changing sensors that give you continuous, easy monitoring of your aquarium water. They sit inside the tank and show changes instantly, without test strips, liquids, or waiting times. What’s included Ammonia alert Monitors free ammonia (the toxic form) Colour changes show safe, alert, and danger levels Helps prevent stress and fish loss Lasts up to one year in freshwater or marine setups No water sampling or test kits needed pH alert Continuously monitors pH in freshwater tanks Clear colour scale for quick reading Useful for community tanks, planted tanks, and sensitive species Lasts 3–6 months depending on conditions No calibration or maintenance needed Why choose this combo Constant monitoring without extra effort Early warning for ammonia or pH problems Beginner friendly and reliable for experienced hobbyists Reusable and cost-effective Low-profile design that sits neatly inside the tank Ideal for Freshwater community aquariums New tank cycling Planted and shrimp tanks Betta tanks and nano setups Breeding and quarantine tanks How to use Rinse each alert with aquarium water Place inside the tank where you can easily see it Read the colour against the built-in scale Keep your aquarium safe with simple, 24/7 water monitoring The seachem alerts combo pack offers an easy, reliable way to track two of the most important parameters in any aquarium.

    R 346.00

  • Seachem Clarity – Advanced Water Clarifier Seachem Clarity – Advanced Water Clarifier

    Seachem Clarity – Advanced Water Clarifier

    Seachem Clarity – Advanced Water Clarifier seachem clarity is an advanced water clarifier for both freshwater and marine aquariums. it targets suspended particles such as debris, algae, and fine cloudiness, binding them together so they can be removed by your filter. clarity works quickly and is safe for all fish, plants and invertebrates. it is effective for new tanks, after maintenance, or any time the water appears cloudy or hazy. clarity uses a unique polymer-based formula that gives fast and noticeable results without affecting water parameters. what it does clears cloudy or hazy water removes suspended particles and debris safe for freshwater and marine systems fast-acting formula for quick results available sizes (select your size above) clarity 100 ml clarity 250 ml clarity bonus 325 ml clarity 500 ml

    R 149.00 - R 548.00

  • Last stock! Seachem Flourish Advance (100ml - 2L) Seachem Flourish Advance (100ml - 2L)

    Seachem Flourish Advance (100ml - 2L)

    Seachem Flourish Advance (100ml / 250ml / 500ml / 2L) Seachem Flourish Advance is a natural plant growth enhancer for freshwater planted aquariums. It promotes rapid root development and encourages the growth of new shoots and leaves, helping plants establish faster and grow stronger. Formulated with plant hormones and natural growth stimulants, Flourish Advance is ideal for new plantings, replanting, and stressed plants, supporting healthier and more vigorous growth. Features & Benefits: Promotes rapid root and shoot development Encourages stronger, healthier plant growth Helps plants establish quickly after planting or trimming Ideal for new, replanted, or stressed aquatic plants Suitable for all freshwater planted aquariums Trusted quality by Seachem Available Sizes: Flourish Advance – 100ml Flourish Advance – 250ml Flourish Advance – 500ml Flourish Advance – 2L Suitable for freshwater aquariums. Use as directed. Best used alongside a complete fertilization program.

    R 208.00 - R 1,647.00

  • Seachem Matrix – High Capacity Biofilter Media Seachem Matrix – High Capacity Biofilter Media

    Seachem Matrix – High Capacity Biofilter Media

    Seachem Matrix – High Capacity Biofilter Media seachem matrix is a premium, high-surface-area biomedia designed to support powerful biological filtration in both freshwater and marine aquariums. each litre of matrix provides an extremely large internal surface area, allowing beneficial bacteria to remove ammonia, nitrite and nitrate efficiently. the porous structure supports both aerobic and anaerobic bacteria, giving matrix the ability to process nitrate in addition to the standard nitrogen cycle. it does not break down, does not need replacing and can be used in canister filters, sumps, hang-on filters or reactors. what it does removes ammonia, nitrite and nitrate supports aerobic and anaerobic bacteria extremely high internal surface area long-lasting and does not degrade over time suitable for all filter types and all aquarium sizes available sizes (select your size above) matrix 250 ml matrix 500 ml matrix 1 l matrix 2 l matrix 4 l matrix 20 l

    R 138.00 - R 4,122.00

  • Seachem Cuprisorb Filter Media 100ml

    Seachem Cuprisorb Filter Media 100ml

    Seachem Cuprisorb 100ml Description Seachem Cuprisorb is a powerful copper‑specific chelating resin designed to rapidly remove copper and other heavy metals from aquarium water. It outperforms traditional media like carbon by efficiently adsorbing all forms of copper, including chelated and precipitated copper. CupriSorb helps protect sensitive fish and invertebrates from toxic metal exposure and supports healthier water quality in both freshwater and marine tanks. Key Features Copper‑specific chelating resin for targeted metal removal Removes all forms of copper more rapidly than carbon Extracts copper leaching from substrate over time Can be regenerated and reused multiple times Effective in both freshwater and marine aquariums Indicator color change shows exhaustion Benefits Quickly reduces toxic copper levels to protect aquarium life Safer environment for sensitive fish and invertebrates Helps maintain clearer, healthier water conditions Cost‑effective due to regenerable design Supports long‑term water quality by removing substrate‑bound copper Usage Rinse before first use Place CupriSorb in a filter media bag or reactor for best results Position in high water flow area of filter system For every 100 ml, treat approximately 240 L of aquarium water Leave in filter until beads turn deep blue‑black, indicating saturation After saturation, regenerate according to label instructions for reuse

    R 379.00

  • Seachem Catappa Leaves Med Seachem Catappa Leaves Med

    Seachem Catappa Leaves Med

    Seachem Catappa Leaves Create a natural and healthy environment for your aquarium fish with Seachem Catappa Leaves from Seachem. These Indian almond leaves release beneficial tannins and other compounds that help reduce stress, support immune function, and promote natural behaviors in freshwater fish. Perfect for bettas, tetras, and shrimp, Catappa Leaves also enhance water quality and add a natural aesthetic to your tank. Key Features 100% natural Indian almond (Catappa) leaves Releases beneficial tannins to improve water quality Supports fish health and reduces stress Promotes natural behaviors in freshwater fish and shrimp Easy to use in aquariums of all sizes Benefits ✅ Enhances immune system and overall fish health✅ Helps reduce stress during transport, illness, or environmental changes✅ Promotes natural behaviors like spawning or hiding✅ Improves water quality and clarity with gentle tannins✅ Adds a natural, aesthetic look to your aquarium Reasons to Consider Using Seachem Catappa Leaves Ideal for bettas, tetras, shrimp, and other freshwater species Supports breeding and fry survival in planted tanks Provides gentle, safe water conditioning without chemicals Helps maintain a balanced and natural ecosystem Instructions for Use Rinse the leaves under clean water before use. Add 1–2 leaves per 10 liters (2–3 gallons) of water. Allow the leaves to slowly release tannins over several days. Replace leaves when fully decomposed or when desired tannin levels drop. Can be used in combination with filtration or planted tanks.

    R 213.00

  • Seachem Neutral Regulator-PH Conditioner Seachem Neutral Regulator-PH Conditioner

    Seachem Neutral Regulator-PH Conditioner

    Seachem Neutral Regulator is a freshwater water treatment and pH conditioner that: Adjusts water pH to neutral (around pH 7.0) whether your water starts above or below that level.  Softens water by precipitating excess calcium and magnesium.  Removes chlorine, chloramine, and detoxifies ammonia, helping make water safer for fish.  Contains phosphate buffers and conditioning agents and is safe for freshwater fish acclimated to neutral pH.  It’s especially useful if you want to stabilize your tank’s pH around 7.  How to Use Dosage (dry powder): ~5 g (≈1 level teaspoon) treats 40–80 L (10–20 US gal) of aquarium water.  Add it once or twice a month or when performing water changes — or daily initially if needed to bring pH to neutral.It can be added directly to the tank or dissolved in water first.  There’s also liquid versions available if you prefer dosing liquids over powders:Seachem Liquid Neutral Regulator / Seachem Liquid Neutral Regulator 500 ml It’s designed for freshwater tanks only and aims for pH about 7.0.  Because it contains phosphate buffers, some aquarists avoid heavy use in planted tanks (phosphate can encourage algae growth).  If your goal is just dichlorination or ammonia detoxification, general water conditioners like Seachem Safe or Prime are often a simpler choice , Neutral Regulator focuses more on pH adjustment.

    R 136.00 - R 2,916.00

  • Last stock! Seachem Purigen – Premium Water Polishing Resin Seachem Purigen – Premium Water Polishing Resin

    Seachem Purigen – Premium Water Polishing Resin

    Seachem Purigen – Premium Water Polishing Resin seachem purigen is a high-capacity synthetic filtration resin designed to remove dissolved organics from aquarium water, resulting in exceptional clarity and improved water quality. unlike carbon, purigen targets nitrogenous waste before it breaks down, helping reduce ammonia, nitrite and nitrate load on the system. it can be used in freshwater and marine aquariums and is safe for plants and fish. purigen lasts a long time and can be regenerated multiple times with a simple bleach-based process, making it one of the most cost-effective water polishing options available. what it does removes dissolved organics for crystal-clear water reduces waste load and improves water quality safe for freshwater and marine aquariums can be regenerated and reused multiple times available sizes (select your size above) purigen 100 ml purigen 250 ml purigen 500 ml

    R 342.00 - R 1,025.00

  • Last stock! Seachem Flourite Black Sand 3.5–7kg Seachem Flourite Black Sand 3.5–7kg

    Seachem Flourite Black Sand 3.5–7kg

    Seachem Flourite Black Sand 3.5–7kg Description Seachem Flourite Black Sand is a premium aquarium substrate designed for planted freshwater tanks. Its fine, natural black sand enhances the visual appeal of aquariums while providing a stable and nutrient‑rich base for aquatic plants. The porous composition supports beneficial bacterial growth and strong root development, creating a healthy environment for plants and fish. Flourite Black Sand is easy to rinse and aquarium‑ready, making it ideal for both new setups and aquascaping projects. Key Features Fine natural black sand substrate Promotes strong plant root growth Supports beneficial bacterial colonization Deep black color enhances aquarium aesthetics Easy to rinse and aquarium‑ready Suitable for freshwater planted aquariums Benefits Creates a stunning, high‑contrast look in planted tanks Provides a fertile base for healthy plant growth Encourages biological filtration through its porous structure Helps maintain clearer water with minimal cloudiness Long‑lasting substrate that supports stable aquarium conditions Usage Rinse Flourite Black Sand thoroughly with clean water before use Spread evenly on the aquarium bottom Use a depth of 2–3 inches (5–7 cm) for planted aquarium setups Position plants and add appropriate root tabs or fertilizers as needed Perform regular gentle vacuuming to maintain cleanliness without disturbing roots Add water slowly over a plate or dish to avoid substrate displacement

    R 569.00 - R 988.00

  • Last stock! Seachem Tidal Media Matrix 35-110 Seachem Tidal Media Matrix 35-110

    Seachem Tidal Media Matrix 35-110

    Seachem Tidal Media Matrix Enhance the filtration power of your aquarium with Seachem Tidal Media Matrix. This high-performance biological and mechanical filter media is designed specifically for Seachem Tidal Power Filters, providing superior surface area for beneficial bacteria while effectively trapping debris. Tidal Media Matrix helps maintain stable water parameters, promotes a healthy aquatic environment, and extends the efficiency of your Tidal filter. Ideal for freshwater and marine aquariums, it supports strong biological filtration while keeping water clean and clear. Benefits ✔ Provides extensive surface area for beneficial bacteria growth✔ Traps debris and particulate matter for cleaner water✔ Promotes stable and healthy aquarium conditions✔ Extends the life and efficiency of filter media✔ Safe for freshwater and marine aquariums Key Features High-Performance Media: Combines mechanical and biological filtration in one product. Tidal Filter Compatible: Designed specifically to fit Seachem Tidal Power Filters. Durable and Long-Lasting: Maintains effectiveness over repeated cleaning cycles. Optimizes Water Quality: Enhances biological filtration and overall aquarium health. Reusable: Can be rinsed in aquarium water for long-term use without losing beneficial bacteria. Instructions for Use Place Tidal Media Matrix into the media basket of your Tidal Power Filter. Ensure water flows evenly through the media for optimal filtration. Rinse gently in aquarium water during routine maintenance; avoid tap water to preserve beneficial bacteria. Replace when showing signs of wear or reduced efficiency. Combine with mechanical and chemical media for a complete multi-stage filtration system. Tip: Using Tidal Media Matrix alongside Tidal Foam and Tidal Matrix Carbon creates a complete, multi-stage filtration setup, keeping your aquarium water clean, stable, and healthy.

    R 212.00 - R 278.00

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