CletePurcel
Fish Fanatic
Thanks for those links. This 30ppm is what I thought from reading several forums.
My drop checker is actually working but I have to hold a white plastic card behind it to read it. It is green, but looks colourless in the tank. So I believe my yeast system is definitely working.
My drop checker is actually working but I have to hold a white plastic card behind it to read it. It is green, but looks colourless in the tank. So I believe my yeast system is definitely working.

/www.aquaessentials.co.uk/ae-design-4-dkh-solution-with-bromo-blue-100ml-p-2425.html

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