BioGuard Smart Shock 25 lb is a multi-functional product that shocks, oxidizes, buffers, and clarifies pool water. It kills and prevents bacteria growth. This product has unique blue algae-fighting crystals that kill unsightly algae. There is no need to mix or pre-dissolve, just add it directly to your pool water. This product has also been proven to improve filter efficiency. Start swimming in as little as 15 minutes after application. Keep your pool water sparkling clear and brilliant looking with Smart Shock. Product Dosage 1 lb per 12,000 gallons of water. Directions Make sure all pool equipment is working properly, including pump, filter, skimmer and heater. Backwash filter following manufacturers directions. Check alkalinity, pH, and calcium hardness with a test kit. Adjust alkalinity to 125-150 ppm. Adjust pH to 7.4-7.6 by adding a pH decreaser or pH increaser. Adjust calcium hardness to 175-275 ppm. When using other products outlined in directions for this product, always follow directions on those products.
- Contains Blue Algae-Killing Crystals
- Kills Bacteria
- Controls Algae
- Clarifies Water