Cal-mag Questions

29menace

29menace

Well-Known Member
Hi guys. If you were running hydro with R/o water that has virtually 0ppm what amount of cal-mag would you add? What's your base ppm before adding nutes. Just wanna get a rough idea so I can calculate how much I need to buy for my next grow.

I basically ran tap until now with some filtered but this grow I'm solely using filtered to see the difference.

Thanks for all replies it's appreciated:weed:
 
Doug Dawson

Doug Dawson

Well-Known Member
29menace said:
Hi guys. If you were running hydro with R/o water that has virtually 0ppm what amount of cal-mag would you add? What's your base ppm before adding nutes. Just wanna get a rough idea so I can calculate how much I need to buy for my next grow.

I basically ran tap until now with some filtered but this grow I'm solely using filtered to see the difference.

Thanks for all replies it's appreciated:weed:
Click to expand...
I believe around 2 to 2.5ml per gallon.
 
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