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Top sellers
Seachem HydroTote 20L (SC-3113)
$ 32.70 In StockA collapsible water jug for transporting saltwater, RO water, and DI water. Comes with faucet spout (20L version only).
Seachem Gold Salt 300g (SC-216)
$ 16.90 In StockConditions water for goldfish Prevents nitrite poisoning
Seachem Flourite Dark 3.5kg (SC-3733)
$ 35.20 In StockPremium natural gravel for the planted aquarium Allows beneficial bacteria to colonise and provide bio filtration
Seachem Flourite 7kg (SC-495)
$ 61.30 In StockPremium natural gravel for the planted aquarium Allows beneficial bacteria to colonise and provide bio filtration
Seachem Entice 250ml (SC-1426)
$ 18.00 In StockAll-natural food enhancer Scent and flavour enhancer for finicky eaters Works on all fish, in particular saltwater angels and butterflies Soak food or simply add to aquarium
Seachem De-Nitrate 250ml (SC-136)
$ 11.30 In StockRemoves nitrates, nitrites, ammonia, and organics High porosity biological media Pore size well suited for anaerobic bacteria No danger of hydrogen sulfide production as with sulfur based media
Seachem De-Nitrate 100ml Bagged (SC-135)
$ 7.90 In StockRemoves nitrates, nitrites, ammonia, and organics High porosity biological media Pore size well suited for anaerobic bacteria No danger of hydrogen sulfide production as with sulfur based media
Seachem Cupramine 50ml (SC-564)
$ 13.60 In StockCopper treatment for external parasites Active at low concentration (does not precipitate) Bound on amine so it is not as toxic to fish 100% removable with carbon or Cuprisorb
Seachem Cupramine 500ml (SC-563)
$ 74.00 In StockCopper treatment for external parasites Active at low concentration (does not precipitate) Bound on amine so it is not as toxic to fish 100% removable with carbon or Cuprisorb
Seachem Cichlid Lake Salt 1kg (SC-277)
$ 56.80 In StockReplicates the environment of Rift Lake African Cichlids Contains proper amounts of calcium, magnesium, sodium, and potassium Affects hardness only, not alkalinity or pH
Seachem Paraguard 100ml (SC-605)
$ 15.30 In StockEradicates ectoparasites and fungal, bacterial, and viral lesions. Safe for fish and bio filters.
Seachem StressGuard 100ml (SC-525)
$ 11.00 In StockReduces stress when handling or transporting fish Antiseptic. Promotes healing of injured fish Destress and calm fish Marine and freshwater
Seachem Flourish 100ml (SC-515)
$ 11.30 In StockSeachem Flourish is a comprehensive supplement with micro elements, trace elements and other nutrients for freshwater planted aquarium.
Seachem Flourish 50ml (SC-514)
$ 11.60 Out of stockOut of stockSeachem Flourish is a comprehensive supplement with micro elements, trace elements and other nutrients for freshwater planted aquarium.
Seachem Flourish Potassium 4L (SC-469)
$ 168.20 In StockPrevents yellowing of leaves Helps plants to maintain rigorous growth Ensures plant stems are firm and sustains a longer growth Triggers plants to grow, but not algae
Seachem Flourish Excel 100ml (SC-455)
$ 11.30 In StockNatural organic carbon Alternative to using CO2 tanks Stimulates plant photosynthesis Restores plant health
Seachem Marine Buffer 250g (SC-346)
$ 15.80 In StockRaises and maintains pH at 8.3 in all saltwater aquarium Safe for reef tanks Contains borate for added stability Contains magnesium to alleviate precipitation effects
Seachem Reef Advantage Calcium 1kg (SC-317)
$ 55.00 In StockIonic calcium in concentrated powder form. Maintains calcium level to match natural seawater. Can be added directly to aquarium.
Seachem Pristine 325ml Rhino (SC-1248)
$ 25.90 In StockContains waste-removing bacteria that quickly and naturally break down ammonia, nitrates, nitrites. Safe for fishes, plants, reefs. Freshwater and marine.
Seachem Matrix 20L (SC-111)
$ 392.00 In StockPermanent. Need no replacement over time. Compatible with wet or wet-dry filters. Most effective with canister filter.
Seachem Clarity 100ml (SC-145)
$ 10.80 In StockClumps up fine particles in water so they are easily removed by mechanical filtration. Safe for fishes, plants, reefs, both fresh and marine aquarium.
Seachem Amguard 500ml (SC-773)
$ 33.00 In StockDetoxifies ammonia for up to 72 hours Ideal for emergency treatment Does not alter water pH The strongest liquid ammonia binder on the market
Seachem Amguard 100ml (SC-775)
$ 11.30 In StockDetoxifies ammonia for up to 72 hours Ideal for emergency treatment Does not alter water pH The strongest liquid ammonia binder on the market
Seachem Acid Regulator 250g (SC-76)
$ 16.90 In StockAdjusts pH to the acidic range (4.5‑6.8) Softens water by precipitating calcium and magnesium Use with Neutral Regulator to target a pH
