Quote Originally Posted by Garden Knowm
PERLITE = GREAT DRAINAGE

I use 50% perlite with my soil mix. There is no drainage in my planter box, it is lined with plastic. It takes about a day to dry. 5" deep soil. Seems ok so far. I have a dehumidifer if it needs it in the future. Ive only been using it for a little bit though, so we'll see how it works out.

water when the soil is dry all the down. I stick my finger down there, better then a moisture meter IMO.