US Pumice Co PB-80 Pool Blok small floating pumice stoneUS Pumice Co Pool Blok Pumice Stone, Small, PB-80 In stock$1699
US Pumice Co PB-80 Pool Blok small floating pumice stone

US Pumice Co Pool Blok Pumice Stone, Small, PB-80

Ask a questionMPN PB-80
$1699
In stock

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Quick overview

  • Natural pumice 100 percent natural stone, nothing added and nothing to mix.
  • It floats Drop it and it stays on the surface rather than sinking to the bottom of the deep end.
  • Lime, rust, stains and algae Takes on the deposits that build along the waterline and on concrete.
  • Ceramic tile and concrete Made for ceramic tile and molded or pneumatic formed concrete surfaces.
  • Will not upset your chemistry Chemically neutral, so it does not move pool pH or attack hard surfaces.
  • Not for vinyl, fiberglass or painted surfaces As a general rule, keep pumice off soft finishes; it will scratch them.
Full description and specifications ↓

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Product details

The Pool Blok PB-80 is a small block of 100 percent natural pumice for cleaning pool tile and concrete. It floats, so a dropped block waits on the surface instead of settling in the deep end.

What it takes off

Pumice works on the deposits that collect at the waterline: lime and calcium scale, rust marks, general staining and dried algae. It clears scale that has resisted strong acid cleaners, and it does it without any chemistry, so the stone will not shift pool pH or leave anything behind in the water.

Where to use it, and where not to

It is made for ceramic tile and for molded or pneumatic formed concrete. Pumice cuts by abrading, which is exactly why it works on hard surfaces and why it does not belong on soft ones. Keep it off vinyl liners, fiberglass and painted surfaces, and test a small hidden spot first if you are unsure what your tile can take.

Specifications
Brand US Pumice Co
Manufacturer part number PB-80
UPC 071132000428
Type Pumice stone
Size Small
Material 100 percent natural pumice
Floats Yes
Surfaces Ceramic tile, molded or pneumatic formed concrete
Removes Lime, rust, stains and algae
Chemistry Chemically neutral, will not upset pool pH
Shipping weight 0.15 lb
Ships Parcel

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Customer reviews

Questions and answers

What people ask about this product, answered by our pool techs.

What surfaces can I use it on?
Ceramic tile and molded or pneumatic formed concrete. As general guidance, keep pumice away from vinyl liners, fiberglass and painted finishes, because it will scratch them.
Will it change my water chemistry?
No. The stone is chemically neutral, so it will not move pool pH.
Does it sink if I drop it?
No, it floats.
What does it actually remove?
Lime, rust, stains and algae, the deposits that build along the tile line and on concrete surfaces. It handles scale that acid cleaners have failed to shift.
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