On Thu, 30 Oct 1997 06:33:35 -0800 (PST), you wrote: > Will a layer of peat soil below an 1.5 inches of sand turn the water = tea > colored. Is this setup good for growing plants. And Finally is two 30 > in flores. tube enought to grow plat in a 36" by 16" by 20"Tall tank. I once used a substrate of peat and soil beneath about 1.5" of sand, and the water was tea-colored. It also lowered the pH to about 5 -- which is good, or bad, depending.. =20