How to master pond sealing with bentonite effectively

Pond sealing with bentonite is often the most reliable way to fix a leaky pond without having to shell out thousands of dollars for a plastic liner. If you've ever built a pond only to watch the water level drop a few inches every single day, you know how frustrating it is. You put in the work, you did the digging, and now you're left with a muddy pit instead of a scenic water feature. It's a common headache, but honestly, it's usually just a matter of the soil being too porous. That's where sodium bentonite comes in to save the day. ...

May 4, 2026 · 6 min · Belk Garduños