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Agreed, although in my case I've just bought the basic salts required to reach my targets for Macros/Secondaries (PotNit, CalNit, MagNit, MKP, MagSulf, PotSulf), and am relying on a Micro blend just to simplify, to minimise the amount of chemicals I have to deal with. That might change in the...

Re: "Hard to read" Sorry about the "wall of numbers" format, will consider a better format in future: It's a little crowded as it gives weekly ppms, but in reality each 2-week block is identical - I change out my res every two weeks (except for very early veg, where I ramp up the nutes weekly)...

Here in the UK at least, GHE's labels are thus: The 6% Potassium Silicate solution product I've been using (Silicon Max) also lists the % of the oxide content, as does the CalMag product I've used in the past. The NPK label values are mandated by EU legislation, I'm not sure whether the...

Is that "15ppm of P" expressed as atomic P, or as P2O5 (as mandated on product labels, at least in the UK & EU)? 15ppm (mg/L) of P expressed as P2O5 ~=69ppm - could this explain the difference between yours and Skybound420's numbers? This is what I'm currently mixing for myself (comments very...