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Looking at starting to low tech EI dose...

486 Views 1 Reply 2 Participants Last post by  jrill
So I have been reading up a bunch on EI dosing in a low tech setup, and how it can still benefit plants. I have been looking to take my tanks up a level without going to CO2. Now that I have gone a year and started and maintained 4 tanks, I think I am ready to get a bit more advanced.

My question is though, besides starting to EI dose, what should I also start testing for? I notice people talking about testing for things outside my API Freshwater master test kit and I was curious what else I should stock up on.
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The only one I added was phosphate.

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