I'm going to make one for my swamp! How thick is the mat? I have some old yoga mats, but I don't know if they're rigid enough. And how did you punch the holes? I was going to try cookie cutters.
I used 1/2" thick puzzle mat, which was plenty to keep things floating. I used a 3" hole saw, but only cause I had it already (ran it backwards so the teeth wouldn't grab and tear the mat.)
A yoga mat would probably do ok, but I had to add a little bit of weight to the corners to stop the mat from flipping up in the wind (see previous post) so the yoga mat might not be able to support that extra weight.
If you didn't need the cookie cutters anymore, you could probably put a board on top of one and smack it with a hammer to cut circles in the yoga mat, but it also may not work. You'd have to experiment a bit.
We're using LECA as a substrate to keep the plants in there, but I think gravel would probably work as well, or possibly better. (the extra weight would likely help stabilize things)
What I was getting at was trying to figure out if you were just sort of setting them in the netting with the stem up and letting roots grow through the whole thing.
Like when you grow something in a jar vs full on hydro.
I was wondering what kind of fish would live in that little super protected area, or if could act as a miniature breeding chamber where the little fish fry are safe.
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