Clear, clean water. Naturally.

The natural way to get a beautifully clear and healthy pond.

Nualgi’s family of products work to create a safe, crystal-clear pond, naturally, so you can enjoy your outdoor oasis with less work.

Eliminate the use of harmful algaecides, expensive UV filters and spot-treating. Nualgi products are 100% safe for the environment and all aquatic life including plants and pets!

  • No more harmful algaecides.

    Use Nualgi Ponds to treat pond algae naturally and safely improve your pond environment.  Use Nualgi Natural Pond Cleaner to treat pond algae, naturally. Instead of killing algae, Nualgi promotes the growth of diatoms - Mother Nature’s favorite microscopic cleaners - to recalibrate your pond chemistry & improve the health of the entire ecosystem.

  • Say goodbye to expensive UV fIlters.

    Man-made pond chemicals & UV sterilizers create a dependency that actually weakens your pond biology & prevents natural water chemistry from balancing. For natural, safe & effective help with algae control and the production of beneficial, sludge-eating bacteria, include the all-natural Nualgi line-up in your pond.

  • There’s beneficial bacteria, and then there’s Nualgi Beneficial Bacteria.

    Nualgi Beneficial Bacteria is the only ultra concentrated formulation with 6 different strains of good bacteria that delivers exceptional results. Combine it with the diatom-promoting power of Nualgi Natural Pond Cleaner and the two work together in a virtuous pond cleaning cycle.

  • Customer support you can trust.

    We’ve helped thousands of pond lovers over the years achieve the crystal-clear, hassle-free pond of their dreams. When you’re stuck with a problem, we’re here to help with our award-winning troubleshooting service.

Don't just take our word for it.

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Nualgi Ponds: How it works.

Nualgi Ponds users have decreased the use of harmful chemicals & UV sterilizers and are enjoying crystal clear water, naturally! 

Nualgi Natural Pond Cleaner starts a process using the power of diatoms (Mother Nature’s favorite microscopic cleaners) to recalibrate your pond chemistry & improve the health of the entire pond ecosystem. The growth of diatoms leads to more oxygen in the water which provides ponds with algae relief and a healthier habitat for fish. 

Play Video about Nualgi Ponds Explained Video

With more oxygen in the water, fish become healthy, vibrant, less disease-prone and more active. The result? A beautiful crystal clear pond that is a haven to fish and wildlife – and a joy to sit beside.

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