DIY Clone Box Troubleshooting - Help?

Hey, all y'all successful cloners!

My DIY clonebox consists of

• an old human heating pad that only works on low/med anymore (never needed one before, but global weirding has caused lower than usual temps).
• 2 transparent shoebox sized food containers - one for the base, one for the lid.
• Quartered 1"+ rockwool cubes, rinsed with pH'd water, spin dried, and surrounded by 1.5" of straight perlite soaked with Olivia's cloning solution diluted in bubbled water.

Problem: too much moisture, I think. That's the reason I began quartering the rockwool cubes, and I thought I was being careful to use perlite wetted with cloning solution and drained. We want DAMP, NOT WET, right?

So, let the perlite drain longer, increase the depth of the perlite and/or leave the lid off, right?

Since I was doing all right before cloning in plain perlite, who wants a brand new pkg of rockwool cubes? ha ha

Yea, I know what you mean. I guess we all find our way.
I threw out all my small rock wool cubes a while ago. I use sprayers on a cycle timer or Rapid rooter cubes.

Thanks for your encouraging reply, cruzer! Perhaps I didn't pay enough attention to pHing them but, no matter now. K.I.S.S. )