The BioGuard Basic Shock is a straightforward and efficient way to shock your pool. Its lack of additional additives ensures the potency of chlorine, effectively sanitizing your pool. Unlike other chlorine shocks and tablets, which often drive up costs without fully addressing the problem, this shock will keep your water healthy, providing pool owners with peace of mind and avoiding unnecessary expenses.
Dosage
Add 1 lb per 12,000 gallons of water.
Directions:
Test chlorine level prior to Re-Entry. Re-Entry into treated swimming pools is prohibited above levels of 4 ppm chlorine due to risk of bodily injury.
To Shock Water:
Add 1 lb per 12,000 gallons of water into the deepest pool area while filter and pump are not operating.
DO NOT pre-dissolve, DO NOT apply through skimmer or chemical feeder, DO NOT mix with other chemicals; a violent reaction may result.
Wait at least 15 minutes after product application before entering pool.
To prevent damage to pool surface, use an appropriate pool brush to disperse any undissolved granules which may have settled to the bottom of the pool.
Operate pump and filter continuously for 4 to 8 hours after product addition.
Apply more product after heavy use, high temperatures, or rain. For best results, shock pool weekly.
To Kill Algae:
Brush swimming pool surfaces while filter and pump are operating.
Add 1 lb per 12,000 gallons directly to the pool water in areas of heaviest algae growth, operate filter and pump for 24 hours.
Repeat brushing.
Do not enter the pool until the free available chlorine residual is 1-4 ppm.
Product can be reapplied after 72 hours if necessary.
To Close Pool:
Backwash filter following manufacturer's directions.
Apply this product at a rate of 1 lb per 6,000 gallons into the deepest pool area while filter and pump are operating.
To prevent damage to pool surface, use an appropriate pool brush to disperse any undissolved granules which may have settled to the bottom of the pool.
Apply appropriate winter algaecide after application of this product
