Heat, light & flow

Heaters and controllers, chillers, planted and reef LED lighting, pumps and wavemakers.

HeatersHeaters and controllers LightingPlanted and reef LEDs

Pumps & flowReturns and wavemakers

ChillersCooling warm tanks

Heat, light & flow

Heaters

Buying guideAquarium Heater Size Guide

Heaters

Size an aquarium heater: watts per gallon by room temperature, one heater vs two, external controllers, placement, guards and how to avoid overheating.

Heat, light & flow

Lighting

Buying guidePlanted Aquarium Lighting

Planted lighting

Choose planted aquarium lights: PAR for low, medium and high-light plants, spectrum, depth, dimming and photoperiod, balanced with CO2 to limit algae.