Add bacteria in the spring to start your system, in the summer to spike it periodically and in the fall to maintain it. It's safe for fish and plants. Your dog can still drink out of the pond. These little microbes will serve as your continuous clean up crew. The dry bacteria come in a 4oz.
Dry bacteria has a shelf life of up to two years.
Complete instructions and a schedule for use are printed on the jar. Click the image below for a larger view and use your back button to return to this page. For small ponds, barrels and aquariums. The pH value of water is a measure of acidity or alkalinity. It is important to monitor the pH in your pond to avoid adverse reactions, or possible death, in fish and plants.