CrystalClear® Spring & Fall Prep CrystalClear® Spring & Fall Prep contains cold water natural bacteria designed to accelerate the decomposition of leaves, twigs, muck, and other sediment during the fall and winter months. It also replenishes winter bacteria loss during spring start-up. These easy-to-use, water-soluble packets should be applied weekly to keep your pond looking its best, even when water temperatures are between 35°F – 60°F. Product Features Cold Water Natural Bacteria with Barley Replenishes Winter Bacteria Loss During Spring Start-Up Accelerates Decomposition of Leaves, Twigs & Sediment All Winter Long Formulated for Cold Water Use CrystalClear® Spring & Fall Prep Dosage Rates (Weekly) Pond Size Number of Packets Up to 1,000 Gallons 1 Packet Up to 2,000 Gallons 2 Packets Up to 4,000 Gallons 4 Packets Up to 8,000 Gallons 8 Packets Application Instructions Routine Application Rate DO NOT OPEN PACKETS. Start applying when the water temperature drops below 60°F. Add once per week directly into the pond or filtration system. Persistent Problem Application Rate If an issue arises between routine applications, apply Spring & Fall Prep every 3 days until the desired result is achieved. For Best Results Spring & Fall Prep can be applied directly into the pond water or the filtration system. Optimal Water Conditions: pH: 6.5 – 8.5, Dissolved Oxygen: 5 PPM, Temperature: Between 35°F-60°F.