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50 Gallons or Less & Complete Kits
Hagen A7831
15 ml Nutrafin kH Reagent Refill
A7831(R)
Your Price: $5.00

Detailed Description

Nutrafin KH Reagent Refill for use with Nutrafin Carbonate and General Hardness Test Kit. Carbonate Hardness (KH) levels need to be tested on a regular basis because they fluctuate over time and can negatively impact the pH balance of the aquarium water. Low Carbonate Hardness will result in poor plant growth, 15 mL.