Twenty Tanks on One Upright: Load Ratings Read Backwards
Twenty 60 cm tanks at 45 kg each is 900 kg on one rack. Shelf ratings, point loads and the tank everyone assumes is light are where breeder rooms fail.
The Dust You Cannot See: Handling Dry Polymer Indoors
Fine polymer dust irritates airways and turns a damp floor into ice. A mixing tray, P2 mask, dry wiping first, and why a shop vac makes the air worse.
