How much calmag you recommend
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Mine is an absolute cheapo from amazon 30x and 60x lighted came two in a pack.
Typical calmag is 3-5 ml. I would go with 5 to start with for several feedings. I was a FF trio guy when I started, the down side to those nutrients is the plant needs flushing about every 30-40 days due to the salt and minerals that build up in the root zone. Do you have a TDS and PH Pen to measure your run off? When I flush under this condition, I flush with calmag followed up by a full feeding. Recharge will be needed to replenish the beneficial bacteria depleted during the flush. They all look nice and healthy other than those few leaves. Start with a run off test before you flush, that’ll tell you the parts per million of nutrients in the root zone and test the PH. 
5ml per gallon and I’d stick with the 5ml til atleast flower theñ drip yo 3 unless 3 shows signs. Most run at 5ml per gal welcome and plants b looking a otaye
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Thanks guys appreciate the realness
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Other then fox farm what do you use now?
I don’t know about top feeding but curious about it.
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If u want a simple and cheap nute line try and get ahold of jacks 321 cheap super simple to use and it has awesome results. Used the same start to finish maybe a slight tweak here or there super simple stuff to use for sure.
Definitely look into it. It’s organic?
Do you top feed?
I wanna learn more bout that.
Plus recommendations on soil fertilizer mixes