Help with CalMag and EC/PPM Please!

Jamers

Well-Known Member
Really unsure about how much cal mag to add to my RO water
This was much easier with tap water lol

EC of RO water is 0050 (as read on our Tri-Meter) or a ppm of 25
Should I be adding cal mag until the EC/PPM comes up to a certain amount ? if so how much?

Or should i be adding it just based on the amount of water in my system (80L)

I am using Botanicare cal mag
Cal-Mag 2-0-0


On another note looking for recommendations on PPM for week 4 from breaking the surface starting from seed, there still pretty small. PPM is currently 160 doing a water change this week, going to up it to maybe 250 ?.

Week3_5.jpg
 
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