CoverGrip 35408 3.5' x 4' 8oz Non-Slip Quick Drop Cloth Primer Green Algae is the quickest

Green Algae is the quickest to be removed usually in 1-3 days while black algae takes much longer to disappear

No mixing required

When you do need to change that disc

which requires many more steps and materials

CoverGrip 35408 3.5' x 4' 8oz Non-Slip Quick Drop Cloth Primer Green Algae is the quickestPerfect for electricians, plumbers, or any job where you need to protect a smaller area. CoverGrip Safety Drop Cloths consist of traditional 8 Ounce Drop Cloths with a pattern of slip resistant dots on the back side. The material is to lie flat, conforming to most surfaces and remain in place when people or equipment are working on it. Designed with thousands of rubberized traction dots to hold cloth in place for safety and protection. Stays in place,