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KNOP Replacement Top O-Ring for C/HD Calcium Reactors


Our Price: $3.99
Item Code: KP90003


KNOP Replacement 1/4 inch Blue Male Adaptor for C/HD Calcium Reactors


Our Price: $4.99
Item Code: KP90002


KNOP Replacement CO2 Filter for S IV Calcium Reactor


Our Price: $24.99
Item Code: KP1132


Liquid calcium for reef aquaria for a quick increase of calcium concentration can be used in addition to lime reactor neutral pH


Our Price: $14.99
Item Code: KP1040


Gravel/substrate for reef aquaria highly pure natural calcium carbonate sand free of phosphates improves bacterial nitrate reduction helps preventing filamentous algae fine grain size KNOP ReefBase is a natural ...


Our Price: $26.99
Item Code: KP1080


KNOP Replacement 1/8 inch Blue Male Adaptor for C/HD Calcium Reactors


Our Price: $4.99
Item Code: KP90001


KNOP S-IV Calcium Reactor Package—includes KNOP S-IV Calcium Reactor, Dual Gauge CO2 Regulator, and 7 kg KNOP Koralith (Coarse) Compact Construction Internal Pump, no tubes to cause a loss of flow Internal CO2 bubble cou...


Our Price: $694.00
Item Code: KNCSIVP1


Phosphate adsorbant for reef aquaria removes growth inhibiting phosphates decreasing phosphate values detectably improved coral growth is visible helps preventing and decreasing growth of filamentous algae extrem...


Our Price: $31.99
Item Code: KP1056


for aquaria of 150 to 350 gallons (600–1500 l) constant calcium values above 420 mg/l constant carbonate values above 8° dKH small CO 2 consumption includes EHEIM pump internal circulation 1200 times per hour ...


Our Price: $549.99
Item Code: KP1111


for aquaria of 75 to 600 gallons (300–2500 l) enormous performance constant calcium values above 420 mg/l constant carbonate values above 8° dKH small CO 2 consumption includes EHEIM pump internal circulation...


Our Price: $529.99
Item Code: KP1131


Carbonate corrective fluid increases carbonate hardness stabilizes pH value can be used in addition to lime reactor


Our Price: $14.99
Item Code: KP1045


calcium granulate for reef aquaria perfect substrate for calcium reactors increases carbonate hardness of reverse osmosis water (RO water) free of phosphates binds phosphates in aquarium water available in three...


Our Price: $26.99
Item Code: KP1083


Highly adsorptive granular activated carbon (GAC) for crystal clear aquarium water healthy fish phosphate-free long term effect KNOP granular activated carbon (GAC) has been produced specifically for marine aquaria...


Our Price: $22.99
Item Code: KP1052