How to Use BioGuard Smart Shock
It is a violation of Federal Law to use this product in a manner inconsistent with its labeling. Read entire label and use strictly in accordance with precautionary statements and directions.
Make sure all pool equipment is working properly, including pump, filter, skimmer and heater. Clean or backwash filter following manufacturer’s 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 as outlined in directions for this product, always follow directions on those products.
IMPORTANT NOTE: DO NOT pre-dissolve this product. As with other shock products, DO NOT apply through skimmer or chemical feeding device as other chemicals may be present which could result in a violent reaction.
FOR ROUTINE MAINTENANCE
With pump and filter running, broadcast 1 lb of this product per 12,000 gallons of pool water, directly into pool. Brush any undissolved product off of pool surfaces. Wait at least 15 minutes after product application before entering pool.* Operate pump and filter continuously for 4-8 hrs after product addition. For best results, apply product weekly as part of your maintenance routine.
FOR TREATMENT OF LIGHT ALGAE
Vacuum leaves and any other foreign debris from pool. Brush visible algae thoroughly from pool’s surface with a surface-compatible brush. Brush any undissolved product off pool surfaces. With pump running, broadcast 1 lb of this product per 12,000 gallons of pool water, directly into pool water in areas of heaviest algae growth. Operate pump and filter continuously for 24 hours after product application. Afterwards, repeat brushing of pool surfaces. Do not enter the pool until the free available chlorine residual is 1-4 ppm. If necessary, repeat the treatment.
*Test chlorine level prior to re-entry. Re-entry in to treated swimming pools is prohibited above levels of 4 ppm chlorine due to risk of bodily injury.