Offers KH-7
FALKE Women's Softmerino W KH Wool Cotton Long Plain 1 Pair Knee-High Socks, Black (Black 3009), 7-8
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K&H Pet Products Snuggle-Up Bird Warmer, Caged Bird Heater for Medium/Large Exotic Birds Like Cockatoos, Macaws, African Grays, Bird Heater for Cage - Gray Large 4 X 7 Inches
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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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KH 970 Tutorials: KH 970 Made Easy / Charting with the KH 970 by Charlene Shafer (2014-07-02)
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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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