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KNOP Replacement Top O-Ring for C/HD Calcium Reactors
KNOP Replacement Top O-Ring for C/HD Calcium Reactors
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Calcium Reactors: See all items
Our Price: $3.99
Item Code: KP90003
KNOP Replacement 1/4 inch Blue Male Adaptor for C/HD Calcium Reactors
KNOP Replacement 1/4 inch Blue Male Adaptor for C/HD Calcium Reactors
Avg. Customer Review (1) reviews
Calcium Reactors: See all items
Our Price: $4.99
Item Code: KP90002
KNOP Replacement CO2 Filter for S IV Calcium Reactor
KNOP Replacement CO2 Filter for S IV Calcium Reactor
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Calcium Reactors: See all items
Our Price: $24.99
Item Code: KP1132
KNOP LIQUIDcalcium 500 ml Calcium Additive
Liquid calcium for reef aquaria for a quick increase of calcium concentration can be used in addition to lime reactor neutral pH
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Additives: See all items
Our Price: $14.99
Item Code: KP1040
KNOP ReefBase (Phosphate-Free) 7.0 kg
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 ...
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Substrates: See all items
Our Price: $26.99
Item Code: KP1080
KNOP Replacement 1/8 inch Blue Male Adaptor for C/HD Calcium Reactors
KNOP Replacement 1/8 inch Blue Male Adaptor for C/HD Calcium Reactors
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Calcium Reactors: See all items
Our Price: $4.99
Item Code: KP90001
KNOP Calcium Reactor S-IV Package 1
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...
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Calcium Reactors: See all items
Our Price: $694.00
Item Code: KNCSIVP1
KNOP PhosphatEx marin 500g Phosphate Absorber
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...
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Filter Media: See all items
Our Price: $31.99
Item Code: KP1056
KNOP Calcium reactor HD
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 ...
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Our Price: $549.99
Item Code: KP1111
KNOP Calcium reactor S IV
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...
Avg. Customer Review (1) reviews
Calcium Reactors: See all items
Our Price: $529.99
Item Code: KP1131
KNOP KHplus 500 ml Buffer
Carbonate corrective fluid increases carbonate hardness stabilizes pH value can be used in addition to lime reactor
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Additives: See all items
Our Price: $14.99
Item Code: KP1045
KNOP KORALlith coarse, 6-10mm 7.0 kg
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...
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Calcium Reactors: See all items
Our Price: $26.99
Item Code: KP1083
KNOP KNOPcarbon 2000ml Activated Carbon
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...
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Filter Media: See all items
Our Price: $22.99
Item Code: KP1052