Find Reviews and Compare Prices for:       All ProductsTest Kits     4.3 (5)   Add a review API Carbonate Hardness Test Kit   Aquarium Pharmaceuticals Test Kits KH/Carbonate Test Kit by Aquarium Pharmaceuticals API. Tests aquarium water for carbonate hardness KH or calcium. Each test kit includes reagents, glass test tube with cap,... Have a question? Just Ask! Member Reviews Compare Prices Product Spec Send to a friend Set Price Alert Searched API Carbonate Hardness Test Kit in 150 stores, 10 results found Image Description   Store   Price Fresh/Salt Water Hardness Test Kit If this item doesn't belong here, click Remove and help us keep our results accurate.   Amazon.com   2 Store Reviews   $3.14 Go to Store API KH Carbonate Hardness Test Kit If this item doesn't belong here, click Remove and help us keep our results accurate.   Amazon.com   2 Store Reviews   $3.15 Go to Store API CARBONATE HARDNESS KH TEST KIT FRESH & SALTWATER If this item doesn't belong here, click Remove and help us keep our results accurate.   eBay   5 Store Reviews   $4.95 Go to Store Fish & Aquatic Supplies Carbonate Hrdns Test Kit Fw/Sw If this item doesn't belong here, click Remove and help us keep our results accurate.   Amazon.com   2 Store Reviews   $5.9 Go to Store API KH Carbonate Hardness Test Kit Fresh Salt Aquarium If this item doesn't belong here, click Remove and help us keep our results accurate.   eBay   5 Store Reviews   $6 Go to Store API Liquid KH Test Kit Carbonate Hardness - For Freshwater & Saltwater Use If this item doesn't belong here, click Remove and help us keep our results accurate.   eBay   5 Store Reviews   $6.49 Go to Store API Liquid KH Test Kit for Saltwater & Freshwater If this item doesn't belong here, click Remove and help us keep our results accurate.   eBay   5 Store Reviews   $6.99 Go to Store API KH Carbonate Hardness Test Kit If this item doesn't belong here, click Remove and help us keep our results accurate.   eBay   5 Store Reviews   $10.88 Go to Store API KH Carbonate Hardness Test Kit If this item doesn't belong here, click Remove and help us keep our results accurate.   Amazon.com   2 Store Reviews   $28.66 (used) Go to Store Fresh/Salt Water Hardness Test Kit If this item doesn't belong here, click Remove and help us keep our results accurate.   Amazon.com   2 Store Reviews   $31.42 (used) Go to Store Are we missing a store? Let us know! Something wrong in this page? Let us know! Related products: More Aquarium Pharmaceuticals Test Kits Other Test Kits internal use: spec399