Seachem Replenish 4L (SC47903) Replenish™ is a proprietary blend of salts designed to replenish physiologically relevant minerals that are removed by reverse osmosis or deionizing filtration. Replenish™ restores General Hardness (GH) using a...

Seachem Gold Buffer 300g (SC25607) Maintains the ideal pH for goldfish (7.2–7.8) Non-phosphate buffer Will not promote algae growth Gold Buffer™ is a non–phosphate buffer that will maintain the ideal pH for goldfish while not...

Seachem Flourish Advance 50ml (SC1234) Natural phytohormone supplement for the planted aquarium Dramatically stimulates the growth of both roots and shoots in aquatic plants Enhances mineral absorption and improves disease resistance Flourish...

Seachem Flourish Potassium 50ml (SC464) Potassium supplement for the planted aquarium Highly concentrated (50,000 mg/L) Does not contain phosphate or nitrate making it ideal for use with Flourish Nitrogen and Flourish Phosphorus Flourish...

Seachem Matrix 1L (SC11709) High capacity biofiltration Controls ammonia, nitrite, and nitrate Highly porous - enormous surface area (>~700 m2/L) Supports aerobic and anaerobic bacteria species Matrix™ is a high porosity biomedia that...

Seachem Reef Advantage Magnesium 1.2kg (SC637) Concentrated, blended, ionically balanced magnesium source Contains NO Ammonia Vitally important in preventing ionic imbalance Reef Advantage Magnesium™ is a concentrated (80,000 ppm) optimized blend...

Seachem Reef Kalkwasser 250g (SC393) Very pure calcium hydroxide Ideal for increasing calcium in top-off water Increases pH with no impact on carbonate alkalinity Reef Kalkwasser™ is a pure calcium hydroxide with unsurpassed purity and solubility...

Seachem Alkaline Buffer 1.2kg (SC23702) Adjusts pH to 7.2—8.5 Designed for use in planted aquariums Increases alkalinity Contains no phosphate Alkaline Buffer™ is a non–phosphate buffer to raise pH and alkalinity (KH) and buffer...

Seachem Marine Trace 500ml (SC793) Supplies a broad range of trace elements Contains only those elements actually demonstrated to be required by marine fish Replenishment of a number of trace elements is required to maintain an environment ideal for...

Seachem Reef Phytoplankton 250ml (SC1506) Concentrated blend of green and brown marine phytoplankton Size ranges from 1-20 μm Enhanced to increase the bioavailability of important nutrients Reef Phytoplankton™ is a concentrated blend of green...

Seachem Marine Buffer 1kg (SC34708) Raises and maintains pH at 8.3 in all saltwater aquariums Can be used safely in reef tanks Contains borate for added stability Contains magnesium to alleviate precipitation effects Marine Buffer® will safely...

Seachem Zeolite 2L (SC1275) Binds ammonia and heavy metals Highest ammonia binding capacity of any zeolite Removes harmful metal ions like lead, copper, nickel and zinc Marine & Freshwater Seachem Zeolite™ is a naturally occurring,...

Seachem Marine Trace 250ml (SC79600) Supplies a broad range of trace elements Contains only those elements actually demonstrated to be required by marine fish Replenishment of a number of trace elements is required to maintain an environment ideal for...

Seachem Filter Sock 200 Micron 10x30cm (SC1553) Exceptional particulate removal for superior water quality. Filter socks are a critical component in maintaining water quality in aquariums. They remove suspended debris and detritus, which often lead to...

Seachem Flourish Excel 50ml (SC45407) Bioavailable organic carbon source for the planted aquarium Use as an alternative to CO2 injection or in addition to it Introduces photosynthetic intermediates Flourish Excel™ is a source of bioavailable...

Seachem Liquid Marine Buffer 500ml (SC98304) Raises and maintains pH at 8.3 in all saltwater aquariums Can be used safely in reef tanks Contains borate for added stability Liquid Marine Buffer® will safely raise marine pH to 8.3 while adjusting...

Seachem SureStart Pack 3x100ml (SC11280) Contains 100 mL bottles of Prime®, Stability®, Pristine™ Make water safe; remove chlorine, chloramine and ammonia Establish the Bio-filter Eliminate Sludge and Detritus Freshwater and...

Seachem Flourish Advance 500ml (SC23303) Natural phytohormone supplement for the planted aquarium Dramatically stimulates the growth of both roots and shoots in aquatic plants Enhances mineral absorption and improves disease resistance Flourish...

Seachem Liquid Marine Buffer 250ml (SC986) Raises and maintains pH at 8.3 in all saltwater aquariums Can be used safely in reef tanks Contains borate for added stability Liquid Marine Buffer® will safely raise marine pH to 8.3 while adjusting...

Seachem Acid Regulator 50g (SC74) Adjusts pH to the acidic range (4.5‑6.8) Softens water by precipitating calcium and magnesium Use with Neutral Regulator® to target a pH Acid Regulator™ adjusts pH to the acidic range (4.5–5.5) and...