Offers KH-7
SpringSmart 7 in 1 Aquarium Test Strips Kit - 100 Strips Use for Freshwater Fish Tank, Fish Pond, Accurate & Fast Testing pH/Nitrite/Nitrate/Chlorine/Carbonate/Total Alkalinity/Hardness
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Adiwo Aquarium Test Strips, 7 in 1 Fish Tank Test Kit, Freshwater Saltwater Aquarium Water Test Kit to Detect pH Nitrite Nitrate Chlorine Carbonate Hardness, Testable in 60 seconds (GH & KH) (100 Pcs)
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NT Labs Aquarium KH Up - pH Stabiliser, Safely and Cleanly Increases KH, Prevents pH Fluctuations Due to Low KH.
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Envii Pond Equaliser – Pond pH Buffer Instantly Balances, and Stabilises pH, KH and GH Levels, Pond Ammonia Remover, Works All Year Round Through Winter - Treats 5,000 Litres (1,100 Gallons)
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