Find the lowest price for:       All ProductsAdditives & Supplements     5.0 (2)   Add a review Seachem Reef Builder 1 kg   Reef Builder 1 kg by Seachem. Raises and maintains carbonate alkalinity KH without impacting pH Have a question? Ask the Experts! Compare Prices Product Spec Member Reviews Send to a friend Brand Seachem APIBlue LifeBoyd EnterprisesBrightwell AquaticsBulk Reef SupplyCaribSeaCoralifeDDDolphin MarineEcoSystem AquariumElosFijiKent MarineKordonMarc WeissMicrobe-LiftNovAquaNutrafinOceans BlendOcean NutritionPolyp LabProdibioProLineRed SeaReef Results MarineSalifertSeachemTropical ScienceTropic MarinTwo Little FishiesWarner Marine--------Suggest a new option Category Unknown AlgaeAlkalinityAll In OneAmino AcidAmmoniaBoronCalciumChlorine / ChloramineClarifiersCoral CareDiscusFloraGarlicIodideIodineIronKalkwasserKHLow Nutrient EnvironmentLugol'sMagnesiumNitrogenpHPhosphatePlantsPotassiumStrontiumTrace ElementsVitamins--------Suggest a new option Something wrong in this page? Let us know! Related products: More Seachem Additives & Supplements Other Additives & Supplements internal use: spec170 spec204