I'm sorry I misunderstood. I see if you're draining the grain. I thought you meant mashing which means the grains are in the liquid already. SorryFor me, it's about letting the water drain out of the grains. I don't want the grains sitting in the water.
I have stacked buckets for my sparge rig , top one has a load of 3.5 mm holes in the base so it drains through
thats what you get for staying away from the sauce for a few weeks, you forget how your hose worksWhen you hook up your keg and decide to burst carbonate and hear a bubbling sound coming from your fermentor and liquid traveling up your gas line. OH &$@t! I've hooked the gas line up to the liquid post.