Ppm in veg phase? RDWC

G

Grit99

Member
I know every crop is different, but what’s your rough ppm levels Week 3/4/5 in veg?

Also roughly how many Ppm does calmag and silicia add to nutrient mixture?
 
Grit99 said:
I know every crop is different, but what’s your rough ppm levels Week 3/4/5 in veg?

Also roughly how many Ppm does calmag and silicia add to nutrient mixture?
Click to expand...
I don’t run RWDC but DTW hydro coco. About 1.0 -1.1 EC.

No idea about CalMag or Silica don’t use them, but it’s going to vary based on how much you use.
 
Grit99 said:
I know every crop is different, but what’s your rough ppm levels Week 3/4/5 in veg?

Also roughly how many Ppm does calmag and silicia add to nutrient mixture?
Click to expand...

I never exceeded 1.5EC with DWC; your mileage may vary

1ml/G of GH Calmagic: 3N 13Ca 4Mg elemental ppm
1ml/G of GH Armour Si: 9K 12Si elemental ppm

Don't confuse elemental ppm with ppm displayed by a tds meter; they're not the same.

Yet another reason to stick with EC when you're discussing nutrient concentrations
 
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