You seem to be spending alot of money on nutes and stuff. Thats good. You're right you will need more light. Having just finished a grow with the AG; my advice is to transplant them into something bigger after they sprout and invest in HID lighting. I'm looking at hempy buckets for my next.
Yeah HID lights are a different beast. I put a 400w HPS over my aerogarden about half way through flower and heat was an immediate problem. I underestimated my ventilation needs and ended up stressing my two plants and had to harvest early or lose everything. So I ended up with 32g. My first...
If the damage seems to be only at the top of the plants it would indicate a heat problem. Are the leaves only yellowing or are they getting dried out, brown spots, and curling up as well? Is the HPS too close?
I just got one too and I thought the same thing. Is it pink colored 400w with a sticker that shows its a Digital Greenhouse? I bought the digi because I read all about how they run cooler, but this thing gets burning hot. It's not mounted just sitting on a small glass table next to my plants.
The sponges are the same size in the master gardener kit and the kit that comes with the AG. If you use the ones that come with the AG you'll have to peel off the covers and scrape out the seeds and then put them back in and reattach the covers with a little elmers glue. No big deal. It comes...