What temperature should my reptile terrarium be?

Temperature varies by species, but generally maintain a thermal gradient: warm side 85-95°F (29-35°C), cool side 75-82°F (24-28°C), with basking spots reaching 95-105°F (35-40°C) for basking species. Nighttime temperatures can drop 5-10°F. Always use thermometers and research specific species requirements.

Can I use a heat lamp instead of a heater under the tank?

Heat lamps and undertank heaters serve different purposes. Undertank heaters provide belly heat and don't interfere with photoperiods. Heat lamps provide basking spots and ambient heat. Many setups use both to create complete thermal gradients suitable for each species' needs.

Do I need a thermostat for my reptile heating system?

Absolutely yes. Thermostats prevent overheating incidents that can be fatal to reptiles. Heating elements can malfunction, leaving reptiles at lethal temperatures. Digital thermostats allow precise temperature control and are essential equipment for any reptile enclosure.