When to flush a Hempy bucket?

1212ham

Well-Known Member
First time using a Hempy bucket and run off is over 2000, time to flush? About 70/30 perlite/coco.
How much water should be run through? I saw another member re-circulating to flush, any thoughts on that?
Thanks guys!
 

JohnDee

Well-Known Member
1212ham,
Better to water more daily rather then risking plant with such a high ppm.

I'd use maybe twice the bucket volume of ph corrected low strength nute solution. Isn't rocket science...but do re-evaluate your watering protocols.
JD
 

1212ham

Well-Known Member
I flushed with straight water and 1x bucket volume, then immediately followed with a low strength solution and a lot of run off. That fixed the toxicity.

Somehow my nute concentrate had started growing mold (bacteria?) on top, and it caused my TDS meter to read way too low. I got new nutes, an HM TDS/EC meter and calibration solution. That's when I learned my cheap TDS meters had been reading way to low! Now I have the HM tds and a very good ph meter.
 
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