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Promotes a natural
This mixture is crafted to serve both marine and freshwater aquariums by effectively adsorbing impurities and pollutants
control nitrates and phosphates
healthy environment
and UV-resistant plastic
Hydor ETH Aquarium External Heater - PTC Technology superfish Promotes a naturalDiscover the reliability and efficiency of the Hydor ETH External Heaters, designed to deliver optimal aquarium heating. Featuring the exclusive Positive Thermal Coefficient (PTC) technology, these heaters provide secure and efficient heating by automatically adjusting power output to maintain consistent water temperatures. Ideal for use with both canister filters and sump tanks, these heaters are a versatile addition to your aquarium setup. Hydor's