Additives  There are 35 products.

  • £ 12.95
    MAGNESIUM SULPHATE HEPTAHYDRATE - MGSO4.7H2O It is the magnesium in seawater that allows it to hold high levels of calcium and carbonates in solution without precipitation.  Magnesium Sulphate is an economical source of magnesium that can be used on its own, or mixed with Magnesium Chloride to create an ionically balanced magnesium additive if required.  
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  • £ 13.95
    SODIUM BICARBONATE - NAHCO3 Sodium Bicarbonate can be used to replenish carbonate hardness (alkalinity) levels in seawater, which will otherwise drop as stony corals grow, extracting carbonate and calcium from the water to form their skeletons.  
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  • £ 13.95
    SODIUM CARBONATE - NA2CO3 Sodium Carbonate can be used in the same way as Sodium Bicarbonate to maintain carbonate hardness (alkalinity) levels in seawater.  However, it is much stronger than Bicarbonate, and also more soluble. This can be useful for aquarists following the Balling Method who have limited space for bulky carbonate solutions as it allows...
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  • £ 13.95
    One and Only Live Nitrifying Bacteria for Freshwater AquariaEliminates new tank syndrome Instantly creates a bio filter Removes toxic ammonia and nitrite, naturally No sulfur or other offensive odors No wait needed 100% natural  Good for 6 months at room temperature,1 year at 50°F. Best to keep refrigerated for longest shelf life.
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  • £ 9.99
    MULTI-VITAMIN SUPPLEMENT Formulated specifically to Florida Aqua Farms specifications. This same blend has been used by us for over 15 years. Good additive for those who blend their own feeds. Good item for enhancing freeze dried and flake foods. Simply soak just enough dried feed to soak up all the fluid to make them moist.
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  • £ 17.95
    One and Only Live Nitrifying Bacteria Set Up a New Freshwater Aquarium - Fishless Cycling including AmmoniaEliminates new tank syndrome Instantly creates a bio filter Removes toxic ammonia and nitrite, naturally No sulfur or other offensive odors No wait needed 100% natural  Good for 6 months at room temperature,1 year at 50°F. Best to keep...
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  • £ 9.95
    TheReef® Alkalinity is a concentrated solution of carbonate ions that can be readily utilised by corals and other marine organisms.   
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  • £ 9.95
    TheReef® Calcium liquid supplement containspure ionic calcium salts that can be readily taken up by corals and other marine organisms.  
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  • £ 9.95
    TheReef®Iodine is made from a blend of chemically pure salts of iodate and iodide ions - the forms of iodine most readily taken up by marine organisms.  
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  • £ 9.95
    TheReef® Magnesium liquid supplement contains pure magnesium salts that can be readily taken up by corals and other marine organisms.  
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  • £ 9.95
     TheReef® Strontium contains pure ionic salts that provide a bio-available source of strontium that can be readily absorbed by corals and other marine organisms.  
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  • £ 24.95
    SODIUM BICARBONATE - NAHCO3 Sodium Bicarbonate can be used to replenish carbonate hardness (alkalinity) levels in seawater, which will otherwise drop as stony corals grow, extracting carbonate and calcium from the water to form their skeletons.  
    In Stock