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Rotala Macrandra and wallichi in hardwater

I've done multiple 40% wc with ro only, but had tap water before. Waitig to get the parameters I want then decide on the ro/tap ratio.

I dose 0.3 ppm fe every day.
 
keef321 said:
Are you using full RO water or mixed? I’m mixed 70% RO / 30% Tap and still need to dose DTPA iron, otherwise my plants suffer
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I've done multiple 40% wc with ro only, but had tap water before. Waitig to get the parameters I want then decide on the ro/tap ratio.

I dose 0.3 ppm fe every day.
 
I changed my water parameters from tap to RO mix very slowly over time. I found a fbI changed parameters too fast my plants suffered. I probably dropped 1GH per week over several weeks.
 
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