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💧 Transform your pond into a crystal-clear oasis with The Block™!
Pond Boss® PRO The Block™ is a 5 lb time-released water clarifier that uses live beneficial bacteria and enzymes to break down sludge, reduce ammonia and nitrogen, and eliminate odors in ponds and lakes. Safe for fish, plants, and wildlife, it treats up to 1.6 million gallons over 60 days, promoting a healthy aquatic environment without chemicals.







| ASIN | B00KM40NGA |
| Best Sellers Rank | #14,023 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #34 in Water Garden & Pond Treatment |
| Brand | POND BOSS |
| Brand Name | POND BOSS |
| Customer Reviews | 4.2 out of 5 stars 443 Reviews |
| Global Trade Identification Number | 00871980132827 |
| Included Components | Block Bacteria |
| Item Form | Block |
| Item Type Name | POND BOSS CBBPR5 Pro Block Bacteria, 5-Pound |
| Item Weight | 5 pounds |
| Manufacturer | GeoGlobal Partners |
| Manufacturer Part Number | B00KM40NGA |
| Model Number | CBBPR5 |
| Number of Items | 1 |
| Number of Packs | 1 |
| Pet Type | Fish |
| Target Species | Fish |
| UPC | 871980132827 |
| Unit Count | 1 Count |
| Warranty Description | See Manufacturers Website |
J**F
Highly Recommend
We have been dealing with string algae every year in our pond. Have tried numerous products and tilapia fish with no success. We put a block of pond boss in the pond along with pond dye and have no algae so far.
M**.
Happy with the results!
I can't tell you why this works, but it does! I have a 3/4 acre pond that averages about 10 ft. deep. I threw this block into my pond and the water got clearer over the next two weeks. The pond looks healthier and the water just looks clearer. It was so easy to use and the results were well worth the money. I will use again.
R**R
The best product I used so far
Worked perfectly for the algae problem in my pond.
W**W
Adverse/Deadly effects on fish in your pond.
This product, about 2 days after placing in the pond, began to kill off all of the fish living in it, Mostly Koi and Goldfish. Not recommended for that reason alone. We did our best to fish out what was left of the block, but that does not bring our fish back to life.
N**.
Good product but expensive
Just wish it was less expensive…
T**H
magic wand
5 acre lake with multitude of problems. The Block worked. Plan to order more.
T**N
Cleaned it up
My pond is 27' deep so took 6 or 7 treatments but it's much clearer and less of the muck at the bottom.
W**N
The block works for algae!
Cleared my algae well and after two months has prevented further algae . . . much less expensive than other beneficial treatments I have tried and works better..
J**S
Keeps water clear and long lasting
We had a really bad algae problem in our pond. I unwrapped the Pond Boss block and put it in the pond and the algae disappeared. It worked so well I bought a larger 5 pound size to keep the pond algae free for the rest of the year.
W**Y
highly recommend
top quality
J**N
Pointless
After one month, it has still made zero difference to my water. Don't waste your money.
B**E
Bon mais pas merveilleux...
Bon sans plus...
G**.
Résultat médiocre
je n'ai pas remarquer un changement à mon étang l'eau est aussi verte que le début et même c'est pire
Trustpilot
1 week ago
2 weeks ago