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50 Gallons or Less & Complete Kits
Hagen A7832
10 ml Nutrafin gH Reagent Refill
Your Price: $5.99

Detailed Description

Nutrafin GH Reagent Refill for use with Nutrafin Carbonate and General Hardness Test Kit. Testing for General Hardness (GH) should be done to determine if the levels of Calcium (Ca) and Magnesium (Mg) are optimal for specific species of fish, 10 mL.