They do vary a lot in the n-p-k ratios, here's the Tomorite
It does the trick, lime in the soil helps to stop calcium defs later on in the grow too..
I haven't added any lime this grow.. Aww shit! Here we go again... [emoji51]
Is that a liquid or a pellet type? Either way I'm assuming you just add X amount of the feed to Y amount of water and then water correct? I'll see if I have or can find anything similar...