Summer Smiles Klean Surface Ultra (4L)

Save $11
$28.99 $39.99

Summer Smiles Pool Chemicals

Concrete, Brick, Stone, and Ceramic Cleaner

KLEAN SURFACE ULTRA is an organic acid solution specially developed for pools. It efficiently cleans concrete, bricks, stones and  ceramic while being safe for users and the environment. KLEAN SURFACE ULTRA improves the adherence of paint on concrete.  KLEAN SURFACE ULTRA efficiently eliminates efflorescence salts and limescale deposits. KLEAN SURFACE ULTRA can also be used to lower pH and total alkalinity levels in pool water.

Summer Smiles SKU: 3007185


Efficiently eliminates efflorescence salts and limescale deposits
Organic solution with low environmental impact
To Clean Concrete & Masonry
  • Dilute one part of KLEAN SURFACE ULTRA with 3 to 5 parts of water.
  • Apply to surface being cleaned.
  • Wait for effervescence to disappear and rinse thoroughly with clear water.
  • Let the surface dry.

To Lower PH

  • Add 250 mL of KLEAN SURFACE ULTRA per 10,000 L of pool water to lower pH by 0.1.
  • Pour the required amount of product directly into the pool in front of the water return outlet.
  • Test pH after 24 hours.

To Lower Total Alkalinity

  • Add 250 mL of KLEAN SURFACE ULTRA per 10,000 L of pool water to lower total alkalinity by 10 ppm.
  • Pour the required amount of product directly into the deepest part of the pool.
  • Test total alkalinity after 24 hours.


  • Compatible with salt systems.
  • To dilute, slowly pour acid into water. NEVER pour water into acid.

Download our Summer SmilesTM mobile app for an easy, fast and efficient water analysis!

Thanks to our mobile app, maintaining clear water for your pool or spa has never been easier!

The Summer SmilesTM app keeps an eye on your water balance for you. It measures the 4 main parameters to be monitored for a good routine maintenance of your water: pH, alkalinity, chlorine and calcium hardness.

Enter your test strip results into the app to identify routine products and dosages to apply or solve any issues. All you have to do is follow the instructions! With Summer Smiles, you can enjoy your pool and spa without worries.

Summer Smiles Chemistry App

 Summer Smiles Pool Chemistry App

Payment & Security

American Express Apple Pay Diners Club Discover Google Pay Mastercard PayPal Shop Pay Visa

Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.

Estimate shipping

Manuals & Attachments