Large Pumice Stone (pool blok)
Product Overview
A proven stability attachment for standard 1-1/4 inch telescopic poles during in-water maintenance and swim instruction.
Manufactured by United States Pumice Company under the pool blok label, this large stone-shaped platform is molded from high-density EVA foam to fit standard 1-1/4 inch telescopic poles. It functions as a buoyant foot and base support, giving technicians and instructors a secure, non-slip textured footing in water depths from 3 to 5 feet while reducing upper body fatigue during extended pool maintenance sessions.
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Benefits & What Makes It Different
Standard 1-1/4" Pole Fit
Slides directly onto standard 1.25-inch diameter aluminum telescopic poles with zero tools required for quick friction-fit attachment.
High-Density EVA Foam
Constructed from 100% closed-cell EVA foam engineered to resist routine sanitizers up to 5 ppm chlorine and prolonged UV exposure.
Textured Stability Platform
Features a stone-molded textured surface that provides solid foot and pole traction on slick plaster, tile, and vinyl surfaces.
Compatibility
- Fits standard 1-1/4 inch (1.25 in) telescopic poles
- Safe for gunite, plaster, fiberglass, and vinyl pool surfaces
When To Use This
Pro Tip
Slide the blok roughly 12 to 18 inches up from the bottom of your 1-1/4 inch pole so the base rests firmly on the pool floor while keeping your hands at an ergonomic 90-degree working angle.
Common Questions & Instructions
What pole diameter does the Large Pumice Stone Pool Blok fit?
It is engineered to fit standard 1-1/4 inch (1.25-inch) outside diameter aluminum telescopic pool service poles without requiring locking pins or mounting hardware.
What water depths is this pool blok stability platform designed for?
Technicians and instructors typically position the blok along the pole for shallow water depths ranging between 3 and 5 feet, adjusting the height along the pole to match waist level.
Can the EVA foam withstand routine pool chlorine concentrations?
Yes, the dense closed-cell EVA foam formulation is rated for regular water contact with sanitizer levels between 1.0 and 5.0 ppm free chlorine without cracking or losing buoyancy.
Delivered today to your DFW neighborhood
Order this item by 2 PM Central on a weekday, and we'll have it on your driveway by evening. Same-day delivery is FREE to every ZIP in our DFW coverage area — no minimum — or it's free with our weekly service plan.
