Nice ..do you think they could have any poison chemicals once the water and the heat(84) is in thereThey make great grow out tanks. I keep the lids on the container to keep their shape so they don't bow. I cut a large opening in the lid for easy access and use a sheet of lexan to cover the opening.
Nice thanksI built my sump out of a food-safe (white) 55G plastic garbage can. You can find food-safe container suppliers if you do a Google search for "Restaurant Supply" in your area.
Here's a good bit of referenced info on the subject of plastics and their effects on living things: http://www.3reef.com/forums/general...-leaching-myths-facts-57828.html#.UtXKBLSE5Ng