Neptune Systems 35" Liquid Level Sensor with Clip Mount for Large Aquariums Innovative Marine Aquariums the Tuna Blue emits a

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Recommended to replace only half of the blocks at a time to preserve bacterial colonies

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Reef Safe Medic can be safely dosed directly into display aquariums

Neptune Systems 35" Liquid Level Sensor with Clip Mount for Large Aquariums Innovative Marine Aquariums the Tuna Blue emits aThe Neptune Systems 35" Liquid Level Sensor with Clip Mount is the largest and most advanced liquid level sensor in the Neptune LLS series. This first of its kind, industry exclusive sensor provides continuous vertical monitoring of liquid depth in both inches and centimeters. Ideal for large saltwater reservoirs and systems that require manual or automatic water changes, the 35" sensor offers unmatched sensitivity and precision in tracking