I am treating 5 fish including a fairy wrasse with Kordon copper aid. I bought an api test kit to test my levels and have been having issues getting a reading. It says to use 5ml per 4 gallon of water. I added 35 ml to 28 gallons of water and did not get a reading.
Should I just add more slowly until I get a reading? This kit seems to be the right one for chelated copper.
Thanks
Should I just add more slowly until I get a reading? This kit seems to be the right one for chelated copper.
Thanks


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