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HTH Borkler Gel

HTH Borkler Gel is a powerful, high-viscosity cleaner specially formulated to remove stubborn scale and grease from your pool’s waterline.

Its double-action formula cleans and restores surfaces without scratching or foaming, leaving your pool sparkling clean.
Availability: 5 in stock

£14.65

Free UK Delivery Over £60*
UK Mainland Only (Excludes Highlands)
Excludes Hot Tubs & Swimspas

All Prices include VAT
*Some product exclusions apply; see individual products for any applicable surcharges

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HTH Borkler Gel is a professional-grade waterline cleaner designed to tackle the toughest pool stains and scale deposits. Featuring a thick gel formula, it clings to vertical surfaces for maximum contact time, delivering a deep and effective clean.

Application Instructions

  • Before using product, ensure the disinfectant test result is below 4mg/l for chlorine and below 9mg/l for bromine. If test results are higher, DO NOT USE PRODUCT.
  • Get a bucket of pool water and lightly dampen the dry surface before applying the product.
  • Apply HTH Borkler Gel undiluted with a brush, sponge, or cloth.
  • Leave the product to act for 5 minutes, or up to 1 hour maximum, depending on the thickness of the deposits
  • Wipe or brush to remove the loosened deposits.
  • Rinse thoroughly with pool water.
  • Repeat the operation if necessary for stubborn deposits.

General Precautions

  • Never mix with any other chemicals including cleaning products and chlorine products, as a dangerous reaction may occur.

Handling/Storage

  • Handle products in a well-ventilated area, preferably outdoors.
  • Wash hands after use.
  • Ensure lid is replaced and sealed after use - store in a cool dry place.
Overview

HTH Borkler Gel is a professional-grade waterline cleaner designed to tackle the toughest pool stains and scale deposits. Featuring a thick gel formula, it clings to vertical surfaces for maximum contact time, delivering a deep and effective clean.

Application Instructions

  • Before using product, ensure the disinfectant test result is below 4mg/l for chlorine and below 9mg/l for bromine. If test results are higher, DO NOT USE PRODUCT.
  • Get a bucket of pool water and lightly dampen the dry surface before applying the product.
  • Apply HTH Borkler Gel undiluted with a brush, sponge, or cloth.
  • Leave the product to act for 5 minutes, or up to 1 hour maximum, depending on the thickness of the deposits
  • Wipe or brush to remove the loosened deposits.
  • Rinse thoroughly with pool water.
  • Repeat the operation if necessary for stubborn deposits.

General Precautions

  • Never mix with any other chemicals including cleaning products and chlorine products, as a dangerous reaction may occur.

Handling/Storage

  • Handle products in a well-ventilated area, preferably outdoors.
  • Wash hands after use.
  • Ensure lid is replaced and sealed after use - store in a cool dry place.
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2026 All Swim Catalogue

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  • Penarth Road
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