PPM for seed germ

cassius1

Member
1st grow - what is a good PPM for the water in my seed tray? Also, my ppm meter has 3 digits - Im assuming the number should be multiplied by 100?

Thanks!
 

zibra

Well-Known Member
I agree with massah...2 weeks tap water and root stimulator u will be good to good. Happy grow
 

ATL HYDRO

Active Member
I have the same meter, and when your ppm is in the thousands it will flash and display a x10 symbol. And I start my propagation tray at around 400ppm
 

Corso312

Well-Known Member
my tap water is high(8.2)..so i lower it to 6.0 for germing seeds..and are you asking about the ppm of tds ?..if so my tap water is like 60 -80 and works fine
 
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