Aquascape Alkalinity Booster 500g

Need to raise KH or stabilise your pond pH? Aquascape Alkalinity Booster is a high-quality, lab-tested treatment designed to safely increase carbonate hardness (KH) and overall alkalinity,  helping to maintain stable, healthy pond conditions.

This premium pharmaceutical-grade formula dissolves completely and easily, and comes with the added bonus of a built-in phosphate binder. That means it not only helps stabilise your water, but also fights algae growth, reducing overall pond maintenance.

⚙️ Features

  • Increases overall KH and alkalinity in pond water
  • Pharmaceutical grade and lab-tested for purity
  • Dissolves quickly and completely – no mess or residue
  • Includes phosphate binder to help reduce algae growth
  • Free of phosphates and ammonia

Why Alkalinity (KH) Matters

KH (carbonate hardness) acts as a buffer for your pond’s pH, helping to prevent sudden shifts that can stress or harm fish and filter bacteria. Low KH can lead to acid swings, filter crashes, and unhappy fish.

Test Your Pond Water

To get the most out of your treatments, it’s always a good idea to test your KH and pH first. Check out our Pond Water Test Kits to help you keep your water balanced.

We stock loads of water treatments — including dechlorinators, beneficial bacteria, phosphate removers, and more. Click here to see the full range.

Not sure if this is the right treatment for your pond? Get in touch — we’re always happy to help.