Rainbow Reagent OTO #1 - 16 Oz Bottle - R161056 state_District of Columbia The system is completely modular

The system is completely modular and easily handles curves and free-form shapes

It is used for testing chlorine bleach solutions

This is a Century Flex 48 1

These superior

residential and club pools

Rainbow Reagent OTO #1 - 16 Oz Bottle - R161056 state_District of Columbia The system is completely modularThis is a 16 ounce bottle of Rainbow Solution OTO #1 which is a replacement used for Chlorine testing in Rainbow Kits 78HR (All in One), 78DPD, 752 (2 in 1) and 756. The 16 ounce bottle is a larger size than what is included in the kits. Larger size bottles are economical and convenient if you are using a lot of reagent.