First indoor grow

Ok this is my first indoor grow and I am learning a lot. I am currently using a soiless mix of coco, perlite and some vermculite. The levels are kinda just eye measured out. The PH is around 6-6.5 normally and I water usually every 2-3 day depending on each plant and how dry the medium is. I am using general hydro for most of my nutes and have a few microbe life nutes as well. I try to keep the ppms at around 800 and use this mix for all 3 strains. I am growing White Widow, Purple Haze and Tahoe OG. For lighting I have 3 2' T5 bulbs kinda just lining the perimeter, Above I have 2 High output compact T5 bulbs held by a grow bright Tek Two ballast. I am not sure of the exact ratings for all the other T5's but the 2 in my ballast produce 10,000 L. I also have two 4" computer fans one as an inlet towards the bottom and It has a filter attached on the outside of the box and the other box fan is for my exhaust and is connected to a carbon filter. I also have another fan with a tube that slowley pushes home made CO2 into the canopy of my girls. This grow room was made out of a old bar that I had built a few year back and had to tear down when I moved. My temps stay at about 75-80 and the humidity is around 50%. This pic was taken on day 25 from clone. I am just trying to get into the community more and learn as much as possible. If anyone has constructive criticism I am open to it. Thank you everyone for taking time to read and let me know if I left some info out.

sound great to me so far buddy

Looks sweet bro

Mmm, Coco. Better add a Cal/Mag as Coco seems to need extra Cal. You may benefit from a washing between veg and flower too.

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I add Cal Mag with every feed. I do a heavy feed, light feed then just water. Every 2-3 days is when I water with the appropriate mix.

I grow with straight Coco. I know that with coco nutrient solution should be PHed to around 5.8 but can be anywhere between 5.5 and 6.3. Are you adjusting your ph in your nutrient solution? I will say that look very healthy regardless so whatever your doing seems to be working well. I tend to ph a little higher durning flower since P and K are better absorbed in more alkaline conditions. But it wouldn't hurt to adjust your nutrient solution ph a little to bring it down to a around 5.8 ish. Good luck and happy growing.

I keep my PH around 6.0.