Should You Use Fans on a Dart Frog Vivarium in Summer?

Fans can absolutely help cool dart frog vivariums in UK summer — but used badly, they can also dry frogs, crash humidity and create dangerous false confidence. Here’s what actually works.
Dart Frog Heat Stress: Early Warning Signs UK Keepers Should Never Ignore

Your dart frogs might be warning you about heat stress before your thermometer does.
UK summer setups can overheat quietly — especially in upstairs rooms, enclosed frog rooms and “stable” vivariums that suddenly aren’t.
Know the early signs. Spot it fast. Fix it early.
