Diggs, do you have a local farm store like Tractor Supply or Rural King, etc you will be a surprised what they have you can use for a res
Will post some later
(3) 6 inch PVC aeroponics tube system | Page 2 | Rollitup
6 inch PVC aeroponics tube system
Hi Old Grower, Well I am amazed the plants are still alive, been a little worried the leaves had a few very small brown spots on them, but since I have redone the nutes and raised it to 530ppm, ph6(ish) it seems good and they are expanding well, Funny you know I am starting to see how nice it...www.rollitup.org
Post 24 and 30 probably more
Look up the posts in my profile also
Are you using led and if so type maker watts sq ft etc
They actually grow really well that way.So why are you growing cacti in hydro?