..oh most likely.JapanFreak wrote:Water is going to evaporate no matter what but I think that he is saying that it evaporates easier from the exposed soil then water which is normally covered up in a rez.
However in ur example of perlite, it holds water (otherwise ur plants would die unless water is constantly being pumped over the roots)...*and* is exposed to heat & light. Ergo, u will get evaporation in same manner as soil, probably fairly close % wise...anyone got plenty of time on their hands to do a side by side comparison in 2 cabs....JF?