DONSTRAW Wash Bottle 2pcs 250ml/8oz Safety Bottles Watering Tools, Economy Plastic Squeeze with Narrow Mouth Scale Labels for Medical Succulent Cleaning Washing

We just dealt with the diaper rash from hell. I took baby girl to the dermatologist for it, it ended up being a yeast infection after the diaper rash. This is what we do combined with instructions from the derm: Fill this bottle with warm water: https://a.co/d/0dBA6PPc Place an open new diaper under her butt. Open the soiled diaper & put two of these gauze under her butt & wash her with the bottle: https://a.co/d/04NGyA5K Sometimes you have to use more gauze to soak up the runoff. If she has poop elsewhere, place more gauze under her & rinse her off. Then discard the used diaper. Dab her dry with a fresh gauze. You may need to repeat if she keeps pooping. ALWAYS have her dry before wrapping her up. Use one or two sprays of this barrier spray before applying diaper cream. This was recommended by our dermatologist: https://a.co/d/085v8dMw The above barrier spray helps protect her skin from the acidity of the poop. Then use Triple Paste on her butt. Be generous - like icing a cake. When out & about, we use water wipes & make sure to pat her bottom dry. We also had to switch her formula to sensitive, it helped slow down on all the sharting.

I pour water onto my substrate full of burrowed babies all the time. It sounds scary, I was worried too at first, but if you don't use too much water, it's safe. What I find helpful are those water squeeze bottles they have for plants. It lets you easily control exactly how much water you use, so you will def not flood them this way. EDIT: here's a link to what I mean As to your powders crashing, when did you first notice the die-offs? Do you recall any changes to their care during that time? It can be tough to pinpoint the cause of a colony crashing, so first step is to try and think of any and all changes. Also if you upload photos of the powder enclosure, this sub might be able to spot potential issues.