Lifegard Aquatics LED Digital Thermometer Bellingham Glove This gel-based solution sticks to

This gel-based solution sticks to the filter media

Improves dissolved oxygen levels and reduces biological oxygen demand

We recommend fertilizing nearby gardens or flowerbeds

use this extra valve to "bleed off" excess air so that there is not excessive back pressure

Lifegard Aquatics LED Digital Thermometer Bellingham Glove This gel-based solution sticks toShips from manufacturer, typically in 5 7 business days The Lifegard Aquatics LED Digital Thermometer is the first submersible LED digital thermometer. The highly visible, ultra bright LED display can be seen from across the room. It can be submerged to display the water temperature or secured outside to display the air temperature. The adjustable suction cup allows for versatility Can be used in terrariums, freshwater aquariums or saltwater aquariums