BlackThumb
New Member
I have seen the Rapidtest Soil test kits which have the four cylinders to measure all of the Ph, N, P and K.
I can dip my Hanna in to obtain total EC/ppm and Ph OK, but that won't tell you what your EC is composed of by quantity/% of N, P, K and don't really see meters sold for this as a common commodity on grow sites/stores.
Short of full lab analysis, can you measure your hydro nute solution N,P,K amounts other than just combined EC, and how? Do these soil test kits work equally well just using the nute solution from your hydro, or do they also count on the added debris in soils to be accurate?
Right now, I only mentally add the stated ingredients as labeled ie..pour in a 2,0,2 with a 3,2,4 and assume I have a 5,2,6. (All made up #'s for illustration).
I can dip my Hanna in to obtain total EC/ppm and Ph OK, but that won't tell you what your EC is composed of by quantity/% of N, P, K and don't really see meters sold for this as a common commodity on grow sites/stores.
Short of full lab analysis, can you measure your hydro nute solution N,P,K amounts other than just combined EC, and how? Do these soil test kits work equally well just using the nute solution from your hydro, or do they also count on the added debris in soils to be accurate?
Right now, I only mentally add the stated ingredients as labeled ie..pour in a 2,0,2 with a 3,2,4 and assume I have a 5,2,6. (All made up #'s for illustration).