Aqua-Tek Sludge Hammer it's the perfect cold-weather lithium

it's the perfect cold-weather lithium battery for marine applications and those seeking to reduce the weight of their RV or solar energy setups without compromising power

The intelligent BMS (battery management system) protects the cells by disconnecting in sub-zero temperatures

easy to clean

The ultra-slim design of the Vision S+ provides an unobstructed view when mounted on your windshield

Aqua-Tek Sludge Hammer it's the perfect cold-weather lithiumDirections Each bottle contains two treatments. For black water tank: Pour half a bottle into the toilet and flush. Fill the tank full with water. For RV grey water tank: Pour half a bottle into kitchen sink drain (or for secondary grey water tank, into shower drain). Run water and fill grey water tank. Allow Sludge Hammer to sit for 24 hours (or more if possible). Sludge Hammer gets more powerful over time and with warmer weather. Empty tank into