This is purely anecdotal, but I have found that my plants respond a little better when I allow the reservoir to run dry versus having a constant supply of water. Then again, this works great until you go out of town for a week...
Very late to this, but that is bullshit. Pretty much any material will wick water. Some better than others, however keeping the wick inert is the most critical element in a SIP. I’m obsessive about keeping my substrate out of my wick. Often using several layers of landscape fabric to separate...
Holy shit...I know I’m very late to this party, but Nerf darts! Yes! I can probably find about 30 of these things under various pieces of furniture around the kids’ rooms and these are the perfect vessel for cuttings. Brilliant.