Can I do this mixture? Im planning on moving my CP's into a 20 gal long tank from a 2 1/2 gal tank. I have a few VFT, D. binata, D. Brevifolia, D. Spat. Currently they all look great. I just wanted to know if I could do this mix. Play Sand with Peat moss. If I can, How much should I use? 50/50?