Made a homemade table for 8x4 treys. The treys are drain to waste and will only have eight 5 gallon pots of coco in them. What size casters to roll this bad boy around with ease?
Well, 8 wet 5g pots can weigh 400lbs, if your tray is made from wood it weighs between 1-2 hundred lbs. You may also end up standing on that tray at some point, so thats another 200. You need 4 casters that can safely handle 250lbs each, which you will find at HD in various sizes. Don't skimp, the cheap ones are hard to get started moving and can rotate in a jerky manner.