Have you tried advise front the zeovit forum? That's how I got my tank dialled in. I posted every week with updates and the zeo guru's dialled it in for me. Since then, I am only doing the basic zee (start,bak, food). I have about 400 gallons of water and I'm only on my second bottle of start. I have just started my 3rd bottle of bak, and only on my second bottle of food. The tank has been running for 2.5 years now. I have stopped all the other dosing like amino acids and oh I can't even remember the names of them. But those were the costly ones even though I was only dosing 10 drops per day. I guess I'm trying to convince you to "hang in there"?
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