Tetra Pond Block 4 Count, Controls Algae Growth In Ornamental Fish Ponds (16735)

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!

With a 300-gallon goldfish pond, I needed a reliable solution for algae control. Within just two weeks of using these tablets, I witnessed remarkable results as they effectively cleared up the algae. I'm incredibly pleased with their performance, and I plan to use them regularly to maintain algae levels in the future. Highly recommended for hassle-free algae management!

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!

I have a water feature in the yard that holds about 80 gallons of water. After a couple of weeks the water started to show green algae. I did some reading and found several recommendations; none of which worked. I finally called the place I bought the "pond" and he recommended this product. I put it in a week ago and so far, water is clean. The tablet takes about 10 days to dissolve so I'll see what happens then and how long i have to go before it turns green again.

I absolutely love these tabs. My pond is in the sun all day so algae was kicking my butt. It’s a pain to try to drain down scrub and keep the pond clear. I put one of the tablets in the waterfall and within a week my pond was crystal clear and every piece of algae was gone. I had quiet a bit of algae buildup prior. I have river pebbles on the bottom of the pond and they were all green now look wayyyyy better. My waterfall was completely covered in algae as well. I have about a 500gallon pond but only use one tablet at a time. Being in the waterfall I have to replaced about once a week vs month Now that the algae is under control I’ll probably just drop one by the pump and replaces as frequently.

This product worked at first to keep the water clear in my fountain, however my fountain continues to get algae and turn green even after putting 2 blocks in at the same time. (Small fountain). Not so sure this is the answer for the Florida sun.

Prior to putting 2 pond blocks into our pond, the water was almost pea soup. The pond is about 300+ gallons and after about a week, the water was clear and I could easily see the bottom. Simple to use with great results. 5-STAR

I was very skeptical about this product. I didn't want to lose any fish and I didn't want to waste money on something that did not work. Our pond algae was out of hand. I placed a block in the waterfall area so it gradually broke down as water flowed out. Just as all the other reviews stated within the first week an incredible difference. One week later, I placed another block again, and the water is nearly clear and I haven't lost any fish.