Avoiding dumping off

This is my problem with jiffy pucks, they hold a shit ton of wtter. (And, often too low pH out of the box) did you also do some home surgery? looks like it's been tinkered with 😜 fool proof - 7030 coco/perlite or 5050 sphagnum peat or soil / perlite. Water and let it drip dry for a bit. Seedlings don't need fertilizer so all good with 6 - 6,5 pH. Small pot a solo cup doen't matter, but should match size of a sprout. loosely fill and very lightly tamp down. compress a spot with finger or thumb in cener no more that 1/2" deep. the compression ensures it can't 'fall' deeper into substate and if you filled loosely it stays nice and nice and fluffy everywhere else. Loosely cover and lightly tamp down. you can read into facing crown this way or that, or not have to remember anything and make sure it is sidways. Even if upside down, still a good chacne it sprouts just fine, though delayed. If it fails doing that, it's an old ass seed or your water / substrate pH was deadly. If your soil is hot, you should run an excess amount of water through the small pots to dilute the amended nutrients. Small amount is fine, a lot is bad. You don't technically need nutreints the first week, though some small level will improve growth rate. Finding that middle ground is worth it. Don't dig around.. don't poke .. don't prod. if it hasn't sprounted in 3-5 days just wait longer, lol.. after 10+ you can start to assume it rotted. I find most just don't germinate as long as i wait 10-14 days before digging up. just some seed chilling doing nothing. keep it moist. don't let top 1" dry like normal with soil, of course. sorry if i covered too many basics, but just keep it simple and he plant does all the work.