yea i dont think ive ever had a clone not root after three weeks in an aeroponic cloner oh for sure always take extra usually keep them for a bit and keep the ones with the best structure
I made a bubble cloner a while back and it works tho I've only used it a couple times.
Little rubbermaid tub I covered the top with the pucks then poked a nail down the centre of each to mark where to drill 5/8" holes then used my little alcohol lamp to melt the edges around the holes so they are nice and smooth. Need long stems so the cuttings don't fall over but could easily add weights to the top of the pucks. I used a little 15w soldering iron to number all the pucks with Roman numerals. Straight lines are easier.
Then I jot down which clone has which number and if I don't lose the sheet I'll know who is who when I go to plant them.
Later I realized I should have put the Y junction outside the tub but that got fixed after the pic was taken. The 12" airstone was too long so I cut it to fit and sealed the end with 2-part epoxy cement.
Found a little cake cover that fit for a dome. I just cover the empty spots with the pucks.
Damn if it doesn't work! RO water with about 1ml each of AN 3-part in it and a dash of 35% peroxide. Was warm so got a little root rot developing but once planted in ProMix they were fine. I had scraped the last half inch of each stem but those areas just went brown and no roots came out of there. Probably helped start the rot. Note the single airline at the back.