14 day test
1 Drop of biocide per 1 Ltr, Liquid PH 7.4
Liquid still the same as the day i started the test
1 Drop of biocide Per 1 Ltr, PH Liquid 2.1
Liquid going cloudy and fading.
1 drop of biocide per 1 ltr, PH of liquid 10.1
Liquid starting to cloud and colour changing
3 drops of biocide per 1 ltr, PH liquid 7.4
Liquid clouding and colour changing
That is why your liquids fade, change colour, or mist .....
to fix it go to your local pet store buy a test kit and sort your liquids out

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you may not the see the very well on the picture but ill leave them under test a little longer and you'll see the effects more.