MARINA Submersible Pre Set Heater 300w grey this non-harmful condition dissipates naturally

this non-harmful condition dissipates naturally within about 12 hours

000 square metres per gram

5cm & 12 x 2

Complements the Arcadia reflector range for optimal light distribution

particularly beneficial in situations where excessive CO2 could lower pH to dangerous levels

MARINA Submersible Pre Set Heater 300w grey this non-harmful condition dissipates naturallyThe Marina Submersible PreSet Heater 300W delivers reliable, consistent heating for freshwater and marine aquariums up to around 300 litres (80 US gallons). Fully submersible and constructed from impactresistant glass, this heater is engineered for safety and durability. It features an easyaccess temperature set dial, a clear on off pilot light, and a protective bumper guard to safeguard fish from direct contact. Designed for simplicity and