Floating Brominators This Floating Chemical Dispenser is constructed of high impact polypropelene plastic, for durability and years of trouble-free service. The Tropical Floating Chemical Dispenser is fully adjustable and will dispense chlorine tablets or bromine tablets up to 1-3/8” diameter. The adjustable rate control is enhanced by the vented full-fl ow design. The E-Z refill access cap allows the reloading of tablets quickly. Blue.