Find the lowest price for:       All ProductsTest Kits     4.8 (3)   Add a review Aquarium Pharmaceuticals 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? Ask the Experts! Set Price Alert Compare Prices Product Spec Member Reviews Recommend to Friends Searched Aquarium Pharmaceuticals Carbonate Hardness Test Kit in 150 stores, 24 results found Image Description   Store   Price KH Carbonate Hardness Test Kit for Freshwater and Saltwater If this item doesn't belong here, click Remove and help us keep our results accurate.   Amazon.com   1 Store Reviews   $3.68 Go to Store Aquarium Pharmaceuticals Freshwater/Saltwater Carbonate Hardness (KH) Test Kit If this item doesn't belong here, click Remove and help us keep our results accurate.   Amazon.com   1 Store Reviews   $4.19 Go to Store API KH Test Kit If this item doesn't belong here, click Remove and help us keep our results accurate.   eBay   3 Store Reviews   $4.24 Go to Store API KH Test Kit If this item doesn't belong here, click Remove and help us keep our results accurate.   Aloha Aquariums   0 Store Reviews   $4.24 Go to Store Aquarium-Pharmaceuticals KH Test Kit [Fresh or Saltwater Use] If this item doesn't belong here, click Remove and help us keep our results accurate.   Mail Order Pet   0 Store Reviews   $4.3 Go to Store Kh Test Kit Fresh & Salt Water Carbonate Hardness If this item doesn't belong here, click Remove and help us keep our results accurate.   StrictlyPetSupplies.com   0 Store Reviews   $4.31 Go to Store Test Kit Freshwater/Saltwater Carb Hardnes - Aquarium Pharmaceuticals If this item doesn't belong here, click Remove and help us keep our results accurate.   PetBlvd.com   0 Store Reviews   $4.47 Go to Store AP TEST KIT FW/SW CARB HARDNES If this item doesn't belong here, click Remove and help us keep our results accurate.   Amazon.com   1 Store Reviews   $4.53 Go to Store API Carbonate Hardness Test Kit - Freshwater or Saltwater If this item doesn't belong here, click Remove and help us keep our results accurate.   Salty Supply   4 Store Reviews   $4.57 Go to Store Fresh & Saltwater Carb Aquarium Test Kit If this item doesn't belong here, click Remove and help us keep our results accurate.   Aubuchon Hardware   0 Store Reviews   $4.59 Go to Store FRESH/SALTWATER GH/KH CARBONATE HARDNESS KIT If this item doesn't belong here, click Remove and help us keep our results accurate.   Amazon.com   1 Store Reviews   $4.68 Go to Store Aquarium Pharmaceuticals API Aquarium Pharmaceuticals Test Kits KH/Carbonate Test Kit If this item doesn't belong here, click Remove and help us keep our results accurate.   Drs. Foster and Smith   7 Store Reviews   $4.79 Go to Store API Fresh/Saltwater KH Carbonate Hardness Test Kit If this item doesn't belong here, click Remove and help us keep our results accurate.   eBay   3 Store Reviews   $4.99 Go to Store .Aqua pharmaceutical test kit freshwater saltwater carbonate hardness can be used to determine the proper dose of ph buffers If this item doesn't belong here, click Remove and help us keep our results accurate.   Pets Warehouse   0 Store Reviews   $5.7 Go to Store KH Carbonate Hardness Test Kit for Freshwater and Saltwater If this item doesn't belong here, click Remove and help us keep our results accurate.   That Fish Place That Pet Place   3 Store Reviews   $5.99 Go to Store API TEST KIT- KH If this item doesn't belong here, click Remove and help us keep our results accurate.   Aquarium Center   0 Store Reviews   $5.99 Go to Store Freshwater/Saltwater KH Test Kit If this item doesn't belong here, click Remove and help us keep our results accurate.   pawsuppetsupply.com   0 Store Reviews   $6.04 Go to Store Aquarium Pharmaceuticals Freshwater/Saltwater Carbonate Hardness (KH) If this item doesn't belong here, click Remove and help us keep our results accurate.   MarineDepot.com   5 Store Reviews   $6.29 Go to Store API - KH Test Kit Freshwater/Saltwater If this item doesn't belong here, click Remove and help us keep our results accurate.   eBay   3 Store Reviews   $6.49 Go to Store Aquarium Pharmaceuticals Freshwater Gh & Kh (hardness) Test Kit If this item doesn't belong here, click Remove and help us keep our results accurate.   Amazon.com   1 Store Reviews   $6.5 Go to Store .Aqua pharmaceutical test kit general hardness carbonate hardness-helps aquarist duplicate the natural habitat of his fish thereby providing a healthful aquarium environment If this item doesn't belong here, click Remove and help us keep our results accurate.   Pets Warehouse   0 Store Reviews   $6.56 Go to Store API Carbonate Hardness Test Kit NEW If this item doesn't belong here, click Remove and help us keep our results accurate.   eBay   3 Store Reviews   $6.59 Go to Store Carbonate Hardness FW SW Aquarium Test Kit API If this item doesn't belong here, click Remove and help us keep our results accurate.   eBay   3 Store Reviews   $6.95 Go to Store Mars Fishcare Fresh Saltwater Carb Test Kit - 59 If this item doesn't belong here, click Remove and help us keep our results accurate.   UnbeatableSale   0 Store Reviews   $16.39 Go to Store Are we missing a store? 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