Find the lowest price for:       All ProductsCalcium Reactors     0.0 (0)   Add a review KNOP Calcium Reactor HD   The KNOP calcium reactor model HD has been released to the market in 1994 as the “big brother” of the model C. Because of its reliability, the stable construction, the easy operation and the affordable price it has... Have a question? Ask the Experts! Set Price Alert Compare Prices Product Spec Member Reviews Recommend to Friends Searched KNOP Calcium Reactor HD in 150 stores, 6 results found Image Description   Store   Price KNOP Calcium reactor HD If this item doesn't belong here, click Remove and help us keep our results accurate.   Salty Supply   4 Store Reviews   $529.99 Go to Store Calcium Reactor HD by KNOP If this item doesn't belong here, click Remove and help us keep our results accurate.   AQUACAVE.COM   7 Store Reviews   $549.95 Go to Store KNOP Calcium Reactor HD If this item doesn't belong here, click Remove and help us keep our results accurate.   MarineDepot.com   5 Store Reviews   $549.99 Go to Store KNOP Calcium Reactor HD w/Eheim Pump If this item doesn't belong here, click Remove and help us keep our results accurate.   eBay   3 Store Reviews   $589.99 Go to Store KNOP Calcium reactor HD If this item doesn't belong here, click Remove and help us keep our results accurate.   MarineDepot.com   5 Store Reviews   $590 Go to Store KNOP Calcium reactor HD If this item doesn't belong here, click Remove and help us keep our results accurate.   MarineDepot.com   5 Store Reviews   $590 Go to Store Are we missing a store? Let us know! Something wrong in this page? Let us know! Related products: More Knop Calcium Reactors Other Calcium Reactors internal use: spec245 spec256 spec263