Freshen up freshwater tanks to eliminate odors and tastes. Our Water Tank Flush Cleaner is ideal for spring commissioning after winter storage or to eliminate pesky odors and tastes that regular water treatments cant neutralize. This concentrated biodegradable formula is easy to use to treat tanks and the freshwater system. Key Features Deodorizes freshwater tanks and systems Easy to use Ideal for cleaning tanks after winter storage Biodegradable formula 1 gallon treats 100 gallons of tank capacity