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Old August 10, 2018   #3
AKmark
Tomatovillian™
 
Join Date: Jun 2013
Location: Wasilla Alaska
Posts: 2,010
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You must supplement with CaNO3, as well as MgSO4. I highly suggest looking into this before you use it. Hydro Gardens uses a similar blend, get on their site and look at their tomato formula directions
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