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Hi there!

Running you system at 1-3 PPM will be sufficient to remove biofilm and algae without hurting your plants. It will not affect the nutrients, but if your mineral solution has any color to it, this may change – it is just the yellow color of the ClO2 being mixed in.

Please see our calculator to in figuring the right number of tablets or CDS to achieve 1-3 PPM. Using a Chlorine Dioxide Solution can be more accurate for mixing low concentrations, depending on the volume of water being treated.

Safrax Calculator

Warm Regards,