JBL KH test
€6.96
Quick test to determine the carbonate hardness (KH) in freshwater/marine aquariums and ponds
Colour change test: fill plastic cuvette with sample water, add reagent drop by drop until colour changes from blue to yellow. Number of drops = level of carbonate hardness
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carbonate hardness KH
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Use only 1cc each time, and recommend to change solution each month.
No need to add aquarium water.
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