Case Studies & Testimonials
We’ve helped thousands of pond lovers over the years achieve the crystal–clear, hassle–free pond of their dreams. But don’t just take our word for it. Read on to hear from some of our dedicated users.

20 years as a Koi Pond farmer
We were super excited to receive these kind words from David on Amazon who titled his review “Change of

Scientifically designed and super easy to use!
Took a whole month, then BAM! All clear. Amazing. Tried this after beneficial bacteria we were using (Microbe Lift)

Patience is key!
One of our latest success stories comes from an Amazon customer. But success didn’t happen overnight. It’s a great

Completely eliminated my string algae problem!
This product was critical to dealing with my string algae problem, but it cannot do the job alone. If

Kari H. – “No longer spending big bucks running an ion filter”
“Our pond is built with gradually tapered walls of cement block set on poured footings and holds a little

Jim D. – From murky green water to clear water
“Water became clear from murky green after using your product.” – Jim D. Jim’s kidney-shaped pond is approximately 12

Dorothy E. – “Love what it did for my Pond and my fish!”
“We have been using Nualgi for 4 years now, would not even think of using any other product – thank you!”
Larry M. – “Fish are moving, spring is finally here.”
” I use Nualgi and have found it to be the best thing I’ve found safe for the fish.
