Find Reviews and Compare Prices for:       All ProductsTest Kits     4.0 (3)   Add a review API GH & KH Test Kit   Aquarium Pharmaceuticals Test Kit GH/KH by Aquarium Pharmaceuticals API. Tests tap water and freshwater aquariums for general hardness GH and carbonate hardness KH Have a question? Just Ask! Member Reviews Compare Prices Product Spec Send to a friend Set Price Alert Searched API GH & KH Test Kit in 150 stores, 16 results found Image Description   Store   Price API GH and KH Test Kit If this item doesn't belong here, click Remove and help us keep our results accurate.   Amazon.com   2 Store Reviews   $4.28 Go to Store API GH & KH Test Kit If this item doesn't belong here, click Remove and help us keep our results accurate.   eBay   5 Store Reviews   $5 Go to Store Freshwater Hardnss Test Kit If this item doesn't belong here, click Remove and help us keep our results accurate.   Amazon.com   2 Store Reviews   $6.18 Go to Store Freshwater Hardness Test Kit If this item doesn't belong here, click Remove and help us keep our results accurate.   Amazon.com   2 Store Reviews   $6.32 Go to Store Aquarium Pharmaceuticals Aquarian Freshwater GH & KH Test Kit If this item doesn't belong here, click Remove and help us keep our results accurate.   Amazon.com   2 Store Reviews   $6.48 Go to Store Fish & Aquatic Supplies General Hardness Test Kit Fw If this item doesn't belong here, click Remove and help us keep our results accurate.   Amazon.com   2 Store Reviews   $6.99 Go to Store API GENERAL & CARBONATE HARDNESS GH & KH TEST KIT If this item doesn't belong here, click Remove and help us keep our results accurate.   eBay   5 Store Reviews   $7.25 Go to Store API General(GH) & Carbonate(KH) Hardness Test Kit Fresh If this item doesn't belong here, click Remove and help us keep our results accurate.   eBay   5 Store Reviews   $7.5 Go to Store API Freshwater GH & KH Test Kit . If this item doesn't belong here, click Remove and help us keep our results accurate.   eBay   5 Store Reviews   $8.65 Go to Store ..API GH & KH TEST KIT TROPICAL,COLDWATER AND PONDS If this item doesn't belong here, click Remove and help us keep our results accurate.   eBay   5 Store Reviews   $8.74 Go to Store Fish & Aquatic Supplies General Hardness Test Kit Fw If this item doesn't belong here, click Remove and help us keep our results accurate.   Amazon.com   2 Store Reviews   $9.74 (used) Go to Store API GH and KH Test Kit If this item doesn't belong here, click Remove and help us keep our results accurate.   eBay   5 Store Reviews   $13.15 Go to Store Freshwater Gh and Kh (hardness) Test Kit If this item doesn't belong here, click Remove and help us keep our results accurate.   Amazon.com   2 Store Reviews   $15.87 Go to Store API GH and KH Test Kit If this item doesn't belong here, click Remove and help us keep our results accurate.   Amazon.com   2 Store Reviews   $31.34 (used) Go to Store Freshwater Hardness Test Kit If this item doesn't belong here, click Remove and help us keep our results accurate.   Amazon.com   2 Store Reviews   $33.58 (used) Go to Store Aquarium Pharmaceuticals Aquarian Freshwater GH & KH Test Kit If this item doesn't belong here, click Remove and help us keep our results accurate.   Amazon.com   2 Store Reviews   $34.4 (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