ADAPTABLE TO YOUR POOL OR HOT TUB – Use 7 tablets per 2,500 gallons of water per week by adding the pool chlorine tablets to your pool’s skimmer and using the flow of your pump to dissolve and distribute the pool chemicals. EASY TO USE – Each chlorinating tablet weighs 0.5 oz. and is individually packaged for to take the guessing out of how much chlorine to use in your pool and reduce the chemical mess. LONG LASTING – These Rx Clear chlorine tabs are slow dissolving, 90% available chlorine, 99% Trichlor. Note: Some of the tablets may be cracked or broken within their packaging due to shipping. This breakage is normal and does not reduce the effectiveness of these tabs. LOW PRICE, HIGH QUALITY – Compared to Pace, Bioguard and Sun the Rx Clear brand provides the same performance at a much lower cost. TRUSTED POOL SUPPLIES – Rx Clear has high quality pool chemicals and pool accessories for a great value. Trust Rx Clear to balance your pool and spa chemistry and keep your water safe and clear.