Hey buddy sorry for the late reply I have just finished work, I'm using canna nutes A+B and all the additives for it to like the Rhizotonic, Canna PK13/14, Cannazym and last but not least the Canna Boost they're all 250ml bottles the additives but the A+B are litre bottles they where only £58 odd free delivery to, Not bad. I just hope with my first time growing in coco isn't going to be a bad experience or I've wasted loads off money on this run, i was growing in soil in my last run and ran into loads off problems mainly for over feeding ,
So you mentioned run offs right, Just say I put all my nutes and additives in my 2 litre bottle and shake after each nute/additive is added, Then ill give the plant the full 2 litre bottle and if there is run off Il in my saucer, Do i give plain water after the feeding my mute feeds I have just give my plants? So won't that mean the nutes and additives will be mostly washed out? Or do you mean wait a few days then give plain water and wait for the run off, Can you explain it a bit more clearer please for a noob, don't mean to come across obnoxious there buddy I just want every done right with this grow, My seeds are germing as we speak , Royal Cheese and white widow , Mmmmmmmmm lol.
Light heights and intensity are correct
Environment (temps/humidity and air flow)
Base elements covered (cana A+B)
Correct feeding amount+runoff
Topped the plants at-least twice
In a 4x4 tent with 4 pots the above makes up 99% of getting close to the max yield for the given strain. Heavy strains 20+, lighter strains 15+, as an estimate. Veg time and growing style can blur the lines but those numbers are good to shoot for.
All the other additives you are talking about make a marginal difference if at all. Use them if you want but getting them wrong will fk up a guaranteed thing. I'd only pick out the pk to use but the cana AB has a decent amount of P in it, so you don't need to use a lot of pk. I don't know the ppm concentrations of using liquid pk so I can't help on that. Just keep in mind it isn't going to massively increase yield with cana ab.. so better not to use it at all if you're unsure on how much to give.
Coco needs to have nutrients in it. You don't want to give plain water for long. During germination the seed has some energy to get started, so a feed or two of just water is ''ok''. If you are feeding every other day then that's 2 feeding's of plain water taking 4 days. On the next feed (day 6) use 1/4 strength a+b and maybe again on day 8. On day 10 step up to 1/2 strength a+b and hold it there until you see enough leaves to handle full strength. When that is I can not help you with since it depends on how well they grow as a result of your environment etc. Even the step ups I am suggesting now depend on that.. read up more and do what you feel comfortable with.
Water slowly, slightly flood the top surface then stop and allow it to seep in, repeat. Shape the top surface into a slight bowl shape, this stops water running down the side of the pots giving fake run off. That way run off is more likely to be actual run off and you can remove it as soon as it's stopped dripping.
Once the plants are happily on full strength a+b you always use that when ever you water. Be it every day or every other day. In the second last week of flower you can reduce to 3/4 strength, in the last week 1/2 strength, but no less than that. You never need to flush, just give some run off every time.. especially if you do use additives.
On a side thing. If only using cana A+b you can get away with missing some run offs on established plants. The over all ppm is not that high so it won't burn the plants. However it's likely not a good idea to miss two run offs in a row. If you did miss a run off, give slightly more on the next one, just a little more. Once you get use to your pot sizes and plants you'll understand how much you give them before run off. Be it 2L or 5L. Only reason I'm telling you this is because if you make up a weekly water barrel or so.. you may not have enough at the end to get a full feed+run off. If you can't be bothered to refill on that day you can afford to get a bit lazy.. so long as the plants are given 90% of what they would normally have. I have that part down to an art so I can give run off every other time, saving water/nutes and amount of fill ups.