I ordered a book on growing Autos n it said don't feed them when lights are off they won't take up nutrients my question is are photos the same what I'm reading about them does not matter as much with them.I feed every 3rd day at half...

I use Fox Farm Dirty dozen with good success 

Ran into this...Interesting...   https://stashblend.com/

I'm still growing in soilless mix promixHP ncsnt see my root ball but they sure perked up when I added Recharge to their feeding schedule 

https://youtu.be/gi7wh90OA0U?si=v5HHxvxveVtgumGt Dr. Bruce again 

https://youtu.be/3V4FP4t0uPM?si=PZafCy9sedq8tlio Good Video With Dr. Bruce

Noticed a few brown turned up tips on the autos.may back down on N it is about mid flower now about 4 weeks day 72 from sprout 

Well I shot a full strength to the girls.checjed on them this morning n no signs of burn.no brown tips 

I paid 53$ for a 8 oz 

Hit all the girls with a half gallon of Boomerang today. hope it helps with the girls.headed down homestretch now about 3 weeks to month left on couple to

https://youtu.be/vHPz8q3nHIc?si=jmiU1yH8Aek659G3  

I must admit I have never use these products but I'm very impressed on what I'm hearing and reading about them. Check them out.   https://rootedleaf.com/

Taking no more chances with Sledgehammer tossed it in garbage stick with a water flush.Cant say for sure that was the issue but things were going great n lessvthanv36:hours I got yellowing leaves top tobottom

HTG ask the doc plant nutrient deficiencies in the garden ..... all kind of good information ......

Well starting tomorrow I am going to start feeding my girls every 4 the day.Fox Farm say you can feed them 2timed a week from what I read the two kush strains like a lot of nutrients as they are heavy feeders 

Some interesting silica info @ the beginning of the vid...

This is an interesting read if you want to go down this rabbit hole.  https://www.cannabissciencetech.com/view/the-future-of-nutrient-monitoring-how-plant-sap-analysis-can-help-you-cultivate-healthier-plants-for-less  

if a phosphorus deficiency can have a calcium deficiency along with it can a calcium deficiency also have a phosphorus deficiency with it how do u know which one is the root of the problem ????