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Showing results for tags 'testing'.
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Hi guys, I recently acquired some CRS and have noticed on the web that people test for KH and GH in the water for their shrimp tanks. I went to my LFS and bought their Sera API combined kit, however it failed to change colour when i tested it against my tank water. The same thing happened when my LFS tested the same kit on their own water (i got a refund on the kit). My question is which kits do you guys use and is the colour change very noticable? Sorry i don't know much about these two WP so if you guys have any tips regarding it i would appreciate it too! Thanks guys