Pool Floating Chlorine Dispenser 1 or 3″ Tablets. Keep your chlorine level up with this large capacity Hydro Tool swimming pool floating dispenser. The floating dispenser features a heavy duty design that holds about 3 pounds of 3-inch chlorine tablets, great for 1- or 3-inch tablets, has a locking cap, U.V resitant plastic for many seasons of use, adjustable control ring and it’s very easy to use. The Hydro Tool floating dispenser it’s a must for a swimming pool owners, it’s very inexpensive and dispenses the chlorine effectively.