Red-eared slider environment
The text below is reproduced verbatim from the first-hand source (Merck Veterinary Manual).
> Red-eared slider Temperate to subtropical, gravel bottom or bare, water depth 30 cm (12 inches) minimum, land area ⅓ of tank 22–27 (72–81) Aquatic BS Possible H, I, c > BS, broad-spectrum lighting (UVB 290–300 nm) essential; NS, no special lighting requirements, although broad-spectrum lighting is still recommended because it is likely to have health benefits.
Source: pdf-raw/exotic-health/mvm_reptile_husbandry.txt (first-hand professional veterinary reference, tag-stripped).
Claims (verified C1 substrings of source_file)
Red-eared slider Temperate to subtropical, gravel bottom or bare, water depth 30 cm (12 inches) minimum, land area ⅓ of tank 22–27 (72–81) Aquatic BS Possible H, I, cBS, broad-spectrum lighting (UVB 290–300 nm) essential; NS, no special lighting requirements, although broad-spectrum lighting is still recommended because it is likely to have health benefits.