jr peters

Data Documentation Journal. Jack’s 321 is a tried and true two-part fertilizer program. It consists of Jack’s Nutrients Part A 5-12-26, Jack’s Nutrients Part B 15-0-0 and Epsom Salts. 321 is the abbreviated amount (ratio) of each fertilizer in grams per gallon.

Hi guys, as i'm about to run out of this runs nutrients and i really wanna make the change from liquid to dry to save some money i was wondering if anyone from Europe has gotten Jacks nutes from US or if anyone is using a similar product available in EU? Good day to you all :)

I will add to this but, for now I am going to share my opinion and some links, others will join in. These are the Jacks/JR that work and do the same and better than the expensive brands. Soil Based Media (Currently Only Available thru Martins Produce Supplies) Jacks 15-20-28 Fertilizer AquaGold...