okay i'd tell you a couple things to start off... i have a very strong opinion on this and have received lots of criticism for this view, but more positive than negative so here goes.
if you're using chemical nutrients, you're wasting your time and energy using anything organic in your mix. cow manure, banana peels, egg shells - those are all excellent, if you've got a healthy organic soil mix with a decent diversity of microflora and microfauna. if you are using any sort of chemical fertilizers, there's almost no point in using things like banana peels or egg shells or, to a large extent, even cow manure, as most of those things require bacteria/fungi to break them down and supply the necessary nutrients in a useable form to the plant. if you're using chemical nutrients (i've seen bahaar and bajaj shakti, not sure if they're chemmy or organic though) then there's almost no point in putting any of those organic materials into the soil...by the time they've broken down with the help of a greatly diminished microherd, your plants will be out and gone.
while i personally don't use chemical nutrients, apart from as a trial and comparison or as a control of sorts, as i don't like the concept and have fallen in love with organic taste over chemical yields, most growers in the world advocate its use, you'll find a lot more hydro and chem growers than organic. out of the 'organic' growers, most will use their 'organics' in the form of bottled nutrients. maybe it's just my head but somehow that's just not the same as putting the physical whatever it is in the soil and letting it break down. probably psychological though
but basically, if you're going chem go chem, if you're going organic go organic. the two don't go together, waste of your time and energy mixing them. : )
if you are going to continue using chem, my advice in the future is to pick up a bale of coco peat (you get compressed coco peat bales which weigh 10kg anywhere from 80 bucks to 250. in the end it hardly fucking matters cause you mix it with about 30 litres of water in a tub or a barrel or something and wind up with about 50 to 60 odd litres of coco peat. mix that with no more than 20% perlite (even that's wayyyyy too much by my opinion but most growers seem to advocate usage of a shitload of perlite for some reason, so it can't be too bad - personally i feel 3-4% is enough, especially with what seems to be a really hot summer coming....you could try different ratios see what works for you). the perlite can be replaced with sand in a pinch. people say the type of sand matters, that's pretty much whale shit, you can use construction sand, beach sand, whatever fucking sand you want to use. you will need proportionately more sand than perlite though, probably 1.5 cups sand if the same mix requires 1 - 1.2 cups perlite.
if you're growing organic, ditch all of your chemical nutes and just grow your plants in a mixture of vermicompost coco peat and perlite in a 4:10:1 ratio respectively. mix in about a teaspoon to a tablespoon of bone meal for every plant thoroughly with the soil prior to transplant. don't overdo the bone meal, the results are devastating...alkaline soil, excess calcium leading to iron lockout, excess phosphorous leading to limited root and mycorrhizal growth, and excess bones leading to all kinds of rodents and critters coming for the smell and ravaging your plants in the process...less is more, don't overdo anything...always better to put less than more...it's hard to burn with organics, but certainly very very far from impossible.
i write long answers so that others reading it may have their questions answered as well. sometimes you need an immediate answer, if it's there somewhere it helps. : )
best vibes
ElChupa
