Supplement
D3 adjustment if using UVB: How African Fat-Tailed Geckos Use It
Situational supplement
Quick answer
D3 adjustment if using UVB is used reduce d3-containing dusting when running uvb. Fat-tails are nocturnal or crepuscular and get little sun in the wild, but a captive gecko under low-output UVB (about Ferguson zone 1–2 strength, on for 10–12 hours a day) can synthesise some D3 through its skin.
Frequency
Reduce D3-containing dusting when running UVB
Role
Fat-tails are nocturnal or crepuscular and get little sun in the wild, but a captive gecko under low-output UVB (about Ferguson zone 1–2 strength, on for 10–12 hours a day) can synthesise some D3 through its skin. If you provide UVB, lean on plain calcium more often and use D3 powder less frequently. Ask a reptile vet for exact figures for your lamp and setup.