Biochar is getting a lot of buzz in the plant community. I tested it in half my repots for six months with the other half as a control. Here's my honest take on what it did, what it didn't do, and whether I think it's worth adding to your mix.
Perlite is in almost every bag of potting mix, but most people don't really know what it's doing in there. Once you understand it, you'll probably want more of it.
I propagated in water for years before I tried sphagnum moss. The roots are better, the transition to soil is easier, and you can still watch everything happen. Here's exactly how I do it.
That bag of potting mix from the hardware store works fine for outdoor containers. Inside your home, it's a different story — and your tropicals are paying the price.