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Discussion Starter · #1 · (Edited)
I have auto dosing system that does macro and micro fert. Apparently my plants are lacking of calcium. I want to add GH booster into my macro solution. Is this doable?

The GH Booster contains: K2SO4, CaSO4, MgSO4.

My macro solution is KNO3, KH2PO4, K2SO4.

I know mixing PO4 with iron will precipitate into something plant can't use.
 

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I could be wrong, I think that you should only add the GH booster once per water change. I thought that it was largely stuff that stays in the water, and that really only comes out when doing water changes (similar to adding salt to a marine tank). I dose mine at the same time as the macro mixture, but I only do this right after the water change, and not repeatedly throughout the week.

Maybe someone can give you a little clearer answer too...
 

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Discussion Starter · #3 ·
I could be wrong, I think that you should only add the GH booster once per water change. I thought that it was largely stuff that stays in the water, and that really only comes out when doing water changes (similar to adding salt to a marine tank). I dose mine at the same time as the macro mixture, but I only do this right after the water change, and not repeatedly throughout the week.

Maybe someone can give you a little clearer answer too...
If I can do it, I will break the down dosage so it will equal to the same amount per week.

My tank it hooked up to an auto water changing system where it received 30% new water every week. So in theory, I'm adding it after my water change.

Just need to know if it will precipitate with the macro ferts.
 

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the only thing i could think of is that solubility might be the problem, its always easier to dose once a week.
 
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