School classroom terrariums: gel doses a teacher can supervise
No dry powder in a classroom. A jug-based gel recipe for school terrariums, holiday planning, and a two-tank experiment children can measure themselves.
Pacman frog burrow humidity: substrate depth versus gel share
Burrow humidity in a Pacman frog tub comes mostly from floor depth, not gel dose. Real readings from two tubs, a starting mix table, and the four-inch failure case.
