Heater

Our Aquarium Heater category covers reliable submersible and inline units for keeping tropical tanks stable, from trusted names like JBL, SUNSUN, EDEN and OASE. You'll find safety heaters with protective baskets such as the JBL ProTemp S, stainless-steel and shatter-resistant models, low-water-level heaters like the SUNSUN GW-25B, and replacement brackets and spares to keep an existing unit running. In Singapore's climate, most planted and community tanks sit happily at 27-29C with no heater at all, so we see heaters matter most in specific cases: aircon rooms and homes that run cool overnight, sensitive or delicate species that need a steady set point, and quarantine or hospital tanks where stability speeds recovery. A heater here is less about adding heat constantly and more about preventing dips and holding a precise temperature. If you're unsure on wattage, our aquarium heater wattage sizing chart and best aquarium heater guide for Singapore make picking the right size straightforward, while the temperature fluctuation guide explains how to keep readings steady day to night. Browse the full range alongside fans and chillers in our heating and cooling collection.