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Maintain calcium level between 410-430 mg/L
fish obtain nutrients from both their food and environment
Check calcium every 2 weeks and adjust amount or frequency accordingly
- For 38 L (10 US gal) aquariums
Marina Submersible Mini Heater 50W 15cm (38L) SO Maintain calcium level between 410-430Small yet powerful, the mini 50 watt Marina Submersible Aquarium Heater provides reliable heating for fresh or saltwater aquariums up to 38 litres (10 US gal) aquariums. The heater includes many practical features for easy use, safety and convenience, including an easy to access temperature set dial, on off pilot light indicator, and a bumper guard for fish safety. Made of durable high impact glass, its built to last under normal aquatic conditions.
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