Hot Tub Eliminating ball, Pool and Spa Scum Eliminating Ball, Cleaning Dirt Suitable for Swimming Pools, Spas, Bathtubs (4Pack)
Brand: PMCAF
Color: white

colour:white
change it every 30 days.
They are helpful for preventing the scum lines from forming.
How to use "Ren-Ct RC-HB Eliminating Ball" in your pool (adapts to all types) or last float intervention in your spa. It is round so there is no need to rotate. When it is saturated, squeeze it, clean it, then reuse. Filtration effect improved when it is placed in a clean pool or spa. "Ren-Ct RC-HB Eliminating Ball" helps remove foam marks.

Scum absorber helps eliminate scum lines from body oils, lotions, and make-up in your pool/hot tub or spa. Includes 4 Scum Eliminating Balls per pack.
ScumSponge prolongs pool filter and spa filtration system life by eliminating scum before it forms, cutting maintenance costs, Increases time between cleanings.
Spa cleaner for hot tub absorbs 43 times its weight in oils/lotions, The circular surface area achieves maximum absorption efficiency. Economical, reusable after cleaning.
Simply put the scum Eliminating ball into the hot tub/swimming pool or spa, it will automatically absorb body oils and lotions. Just float the detergent in your pool or spa for about 30 days until it is saturated.
Scum eliminating ball that absorbs grease/emulsion to a saturated state can be reused only by washing with water or detergent and can be reused for up to 3 months.