Designed to significantly increase the dissolved oxygen levels in your livewell water, the BuzzerRocks Livewell Treatment Bubble Release helps stressed fish get the oxygen they need to prevent potential issues with mortality. Proven to increase the dissolved oxygen levels with an extended-release dosage, the Livewell Treatment Bubble Release tablets last for 10 hours while keeping nitrate and ammonia levels in the water low. Applicable for both fresh and saltwater applications, the BuzzerRocks Livewell Treatment Bubble Release helps anglers stay focused on the next bite instead of constantly checking the livewell to monitor the condition of the fish. - Prolonged release for up to 10hrs per pill- Prevents Nitrate and Ammonia in Livewell Water- Environmentally-Friendly- Applicable in both Saltwater and Freshwater Warning: This product cannot be shipped by air. Ground shipping only.