Microbe-Lift Spring & Summer Cleaner for PondsMicrobe Lift Spring Summer Cleaner helps jump start your pond when warm weather hits, quickly creating a healthier aquatic environment. This natural, non toxic formula comes in pre measured packets that speed up the breakdown of leaves, sticks and other organic waste. 16 oz Contains 8 x 2 oz water soluable packets of cellulose enzymes A seasonal approach for proper bacterial balance in ponds Reduces buildup of dead leaves and residual organic sediment