Ph the water in flush?

Budbreath

Well-Known Member
I was wondering if you ph your flush water before harvest. It seems to me that without nutes to buffer the ph would not stay stable anyways and it’s not up taking nutes. This is my first DWC and a a few weeks before harvest. I can’t find any info.
 

Airwalker16

Well-Known Member
I was wondering if you ph your flush water before harvest. It seems to me that without nutes to buffer the ph would not stay stable anyways and it’s not up taking nutes. This is my first DWC and a a few weeks before harvest. I can’t find any info.
No. RO water "usually" has a pretty reasonable pH in the first place anyways.
 

Airwalker16

Well-Known Member
How long to flush?
In rdwc? Last 10 days just start adding RO. I wouldn't bother drainin the current water left in it. Just plan ahead so when you add RO, your systems starting to get low on water in need of a refill from the plants sucking it up as they always do.
 
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