Quote:
Originally Posted by IMgreen
I used distilled water for the addback for that exact reason
filled with tap, 30 gallons is a lot to buy, and let it run for about 2 weeks before I put plants in it
just got one of them mr clean auto dry carwash things to try instead of buying water
you are supposed to use RO if you use the addback, but I dont do well with rules...
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Distilled is more PH stable and more expensive too,its guaranteed stable unlike some R/O you can find in those outlets with old filters and moldy parts.
I dont think the 2 week wait with tap does anything other than evap. the chlorine,i could be wrong but all the unusable minerals are still there but as you said there only in the orig. tap fill and not adding up throughout your grow.
Been wondering about this for awhile.
You would love an R/O system with your Hydro,Ive been real stupid by exchanging out the res every week even with the R/O.But my additional AN sups are extensive on top of the GH-Lucas and change each week,went all out my 1st time but i dont think i will do it again.
