Ortex Chlorine Stabilizer #1306 - 4 lbs. - Helps reduce pool chlorine loss due to sunlight and evaporation.

Ortex pH Increaser #1700 - 1 lb. - Raises the pH level of your swimming pool water.

Ortex pH Increaser #1705 - 3 lbs. - Raises the pH level of your swimming pool water.

Ortex pH Increaser #1706 - 6 lbs. - Raises the pH level of your swimming pool water.

Ortex pH Decreaser #1800 - 1 lb. - Lowers the pH level of your swimming pool water.

Ortex pH Decreaser #1801 - 3 lbs. - Lowers the pH level of your swimming pool water.

Ortex pH Decreaser #1802 - 6 lbs. - Lowers the pH level of your swimming pool water.

Ortex Total Alkalinity Increaser #1901 - 4 lbs. - Increases the alkalinity level of your swimming pool water.

Ortex Total Alkalinity Increaser #1902 - 10 lbs. - Increases the alkalinity level of your swimming pool water.