Case Studies & Testimonials

Real Users of Nualgi Ponds!

People across the world are using Nualgi Ponds to control pond algae, improve fish health, prevent new pond syndrome, and balance the natural food chain in their water. We’ve had the chance to catch up with a few of our users and learn how they treat their koi ponds, maintain water gardens, and remove waterway pollution.


Did You Know? Nualgi Ponds is Safe for Fish, Plants, Amphibians, Birds & Pets!

Woody S. – Naturally Clear For Koi And Ducks

Woody S. – Naturally Clear For Koi And Ducks

Woody S. is a Nualgi Pond customer who manages three gorgeous backyard ponds full of fish and wildlife. With some guidance from us and a bit of patience, he was able to achieve crystal clear water in all of his ponds.

Roger D. – No More Algaecide

Roger D. – No More Algaecide

Roger D. owns a 8800 gallon water garden. Roger was reluctant to give up his use of the UV light and algaecides, but after he verified that Nualgi was an all-natural remedy, he decided to give it a try.

Karen Z. – Big & Healthy Koi

Karen Z. – Big & Healthy Koi

"All I am using in my pond is Nualgi and beneficial bacteria, my fish and plants are thriving! I love it! I've been recommending Nualgi to everyone I know who has a pond." Karen Z. loves to share photos of her backyard water garden and her gorgeous koi with us on our...

Omar M. – Oasis of Joy

Omar M. – Oasis of Joy

"I was just looking at my crystal clear pond in amazement. I have been using the product for over a year now. I have also stopped using the ultraviolet lights. Water quality is good, the water is clear and my fish are healthier. Thanks Nualgi" - Omar Omar discovered...

Steve C. – Unplugging The UV Light

Steve C. – Unplugging The UV Light

"How can those few drops make a pond so clear?  All I know is that it works! It is amazing! I am so happy to have found this product." - Steve Steve C. is a Nualgi Pond user who cares for a 1400 gallon koi pond in the desert heat of Palm Springs, CA. It is a daunting...

Kenny H. – Amazing Ponds!

Kenny H. – Amazing Ponds!

"Love your product. It is a big part of my pond's success." - Kenny Kenny H. is a koi pond owner and water garden enthusiast from Murphy, North Carolina. He is proud to show off his two amazing koi ponds and pond plants on our Facebook page. We now have updates from 4...

Dave A. – Inherited Koi Pond

Dave A. – Inherited Koi Pond

"Thank you Nualgi Ponds for your great product and advice on how to take my pond from green to crystal clear! I highly recommend this product!" - Dave A. Customer Dave A. inherited a koi pond when he moved into a new home. He was concerned with the clarity of the...

Thomas P. – Vibrant Plants In Koi Water Garden

Thomas P. – Vibrant Plants In Koi Water Garden

"My whole system thrives and your product certainly plays a big part in keeping it this way!" - Thomas P. As an avid pond enthusiast and water garden owner, Thomas began sending us updates about his progress with Nualgi in the summer of 2015. All Thomas P. wanted was...


Using Nualgi in your Pond or Water Garden?

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I put the first dose in my pond on Tuesday and two days later I can already see a difference. A lot harder for my fish to hide from me now!

Amrita R.

Nualgi works great. The cleanest my pond has ever been!

K hall

this stuff is truly amazing!!! I have used it for 2 years now–just ordered some for my aquarium—don’t know why i waited so long!!!

Gail S.

I am truly amazed that my pond IS crystal clear! So for now I am a believer and this stuff does work! My parents pond has always been murky and I am going to try a dose in their pond today to see if it clears their up too! But for now, it’s worth every penny!”

Gina J.

After 2 weeks it has cleared up. You couldn’t even see the fish in there. I’m amazed, I can see to the bottom. I’m seeing improvements in that short amount of time

Amber C.

The water is clearer now. Less work, less time cleaning the filters. Thank you!

Ladyann H.

An amazing product, so impressed!

Conrad W.

I am simply amazed at how much clearer the water is after only 48 hours! Look forward to showing my results as they progress.

Larkin B.

It worked so well when I got it right, that I was cleaning a full filter twice daily. Thank you for a great product that is easy to use. Now I must remember to start my pond with this in the spring.

Molly C.

I got a bottle, came home, put a small amount in my pond and did a partial water change. Then my water was crystal gin clear, before I used this I couldnt even see my fish. It was full of algae blooms. It only took about 1 day.

Joe G.

Owner, Redwood Garden Bridges

If you ask me how the Nualgi product works, I would say just fine. The ones you might want to ask live below water line.. The toad was easy, they adapt, but the frog wants things just right. He seems satisfied : )

Don A.

I own a pond store in Oregon, a customer introduced me to this product which I ordered today. I can’t wait to see the results for myself so I can sell and recommend this product! The difference it made in the pond and it’s fish I have seen are AMAZING!

Stephen G.

Finally found something that will keep my pond clear. Working great up to this point. So easy to use and great results. So glad I found Nualgi. Would recommend it in an instant.

Joe T.

Took 2 weeks but my pond is crystal clear don’t have to put a canopy over the pond this year! Love it!!

Cheryl B.

“I have a pond in Pasadena that is so clear after dosing with Nualgi that it fits your description of “Gin Clear” – Feb 26, 2015

“Much better in one pond where I started to use bacteria along with Nualgi! I saw a pond yesterday that I service once per week and was again amazed by the clarity! It was like looking through liquid glass!” – April 10, 2015


It is working great! I just love this stuff!!!! My pond is clear!

Wanda W.

It Worked! Amazingly clear after 8 days of treatment.

Mike M.

Amazingly, this product started ridding my algae the 2nd day. I had string algae on my plants, & liner… Gone! I will continue to buy this product.

Tara W.

Something incredible happened! That very dark green thick water in my 3000 gallon holding pond I mentioned cleared by 60% in less than 14 hours after I added a couple more ingredients and I am fairly certain the nualgi had a role in the situation. I added the ingredients to 200 gallons of green water that I was using Nualgi in with no visible results one afternoon and a couple sorry days later the water is clear as bottled spring water! I am extremely amazed to say the least and wish to set up some more control tests to confirm whether or not my jackpot combo is for real. I haven’t experienced such a rapid change in all my years save for using 35% peroxide which doesn’t compare because that leaves water clouded somewhat whereas I have drinking water clear vessels in a couple sorry days now. It is rather like magic! Again, Thank you and I’ll be in touch.

Christian S.

Great product!!! Building water chemistry from the macro level up

James K.

It has seemed to help me maintain my pond with great easy this year. I have not had to use algaecide as much.

Alvina S.

My water was never cloudy or green but I had a problem with string algae. I didn’t even use it on a regular basis but it really helped with the algae. I can just imagine how my pond would look if I used it faithfully. I’ve recommended it to several people already. It has also saved me lots of dollars in chemicals and other treatments!

Lynne C.

Love this product. I will be re-ordering. Works wonders, I even use it my bird bath!

Diane B.

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