Tetra Pond Block Controls Algae In Ornamental Fish Ponds, 4 Count

This is the only thing that has worked to keep Algae out of my pond. Ever!

Keeps my 5 garden fountains algae free.

Worked Extremely Well. Used 2 of the 4 blocks to start. Took about 10 day to really see any results and then added the other 2 blocks and water seem to get clearer as time went by. Still had some algae lingering but I don't have a very big filter. Can actually see my fish now....and some of the bottom. Signed up for a monthly subscription. Again EXTREMELY SATISFIED with this product. VERY REASONABLY PRICE and EASY TO USE.

Have bought multiple times. These work well for me to help keep my pond clear. And keeps the Agle blooms down. Helps clean the algebra off the liner as well

Update 6/15/16- I have already purchased my second package of these, I am that happy with the results. I had to use a few to get it going, and then I think my turtles ate one! Seriously, it was only half dissolved this morning and now it is gone. They are acting fine, added a new one up on the waterfall so they can't get at it this time. I will never be without these again. Will look into getting the big tub of them next time. My pond was a big green mess. I previously tried barley bales and liquids which did nothing at all. I decided to try these algae control blocks and am glad I did. I just received these 2 days ago, and already I can see my fish, turtles and the bottom of my pond again. Still has a ways to go to be totally clear, but I am amazed. I dropped 2 of these tablets in along with one of their sludge reducer blocks. My pond is not large, it is a preformed plastic one we bought at Home Depot, I think 250-300 gallons. Nothing I have ever tried has worked, summer is the worst, full of algae all season long. As well as being able to see to the bottom and my animals again, the walls of the pond are clear from the thick algae that was growing. I don't have any plants in my pond, as the turtles eat them the instant I put anything in, so I can't speak to the safety of plants but the turtles, goldfish and mosquito fish are all a-ok.I know, it doesn't look great, but if you had seen it before... Fish and turtles were not visible 2 days ago. I will post another picture/time frame once it is clear. Second picture you can see the bottom of my pond. Still needs to clear up a bit, but after 3 days the bottom of my pond is visible again!

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I’m really pleased with this product! It arrived promptly and was in excellent condition. It’s just as described, and the quality is outstanding. It works perfectly and has made a real difference. I’m thrilled with my purchase and feel it’s worth every penny. I’d highly recommend this to anyone looking for something dependable and high-quality. I’ll definitely buy again!

Put this in beginning of the season for my pond it helped maintain clean water and had little algae. It did not affect my fish.

Have been looking for an effective algae control product for our pond but none worked. Thought to try after reading reviews as we have a lot of sun. We have to use 2 blocks instead of one to better control the algae. Will definitely buy more.