1 Gallon Instant Stabilizer 100 Its proprietary granular formula can

Its proprietary granular formula can be added directly to pool water over the trouble areas

Since the chlorine lasts longer

1 tsp per 200 gallons of water

Product should be added when chlorine is 1

This "one-step" product is used as a regular sanitizer and as an oxidizer to rid spas of odors and undesirable compounds

1 Gallon Instant Stabilizer 100 Its proprietary granular formula canBioGuard Instant Stabilizer 100 (1 gal) prevents the flood of free chlorine due to sunlight. This quick dissolving formula is easier to apply than granular stabilizer. Protecting your chlorine with this product reduces chlorine consumption and maintenance costs.