'Soil Moist' for containers
I tried to search just this forum in case this has been answered before. I'm guessing it has, but there were thousands and thousands of mentions in my results. Sorry if this has been answered a hundred times. :/
So, for container gardening, what do you guys use to retain extra water? We're still traveling between St. Louis and the Ozarks, so I may have to leave them for a few days once in a while. I won't be using any clay pots.
A lady down here suggested a product called Soil Moist, but I'm worried that since it's a polymer, it may not be safe. I generally garden organically.