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Jes
Reviewed in the United States on February 11, 2025
Works great. Use with a strong air pump.
Ed D.
Reviewed in the United States on January 5, 2025
Stays where you put it.
Terry Tanner
Reviewed in the United States on September 23, 2024
Works as it should. no problems.
Sandra g.
Reviewed in Canada on August 12, 2024
Adds lots of bubbles for the fish. They’ve been working great.
T & Y
Reviewed in the United States on July 14, 2024
These came in today and went right to mypond. Put them in and immediately saw tons of bubbles and was more than happy. Not sure why some bad reviews but definitely well spent!
Shepherd
Reviewed in the United States on December 10, 2024
there's not much to say, they do the thing. These are a nice size for a small fountain/koi pond and and a decent air pump. I used these to aerate the corners of my pond that the waterfall doesn't churn up enough. Good amount of airflow through the stones means less work on your pump.
ugo
Reviewed in the United States on November 15, 2024
There are a nice size and fuel heavy and well-made. But one thing I have to say is that the air bubbles are not coming from the whole stone. Only some the area close to where the air tube comes. Maybe he hasn’t been long enough and the air will start coming from in a few days. But it has yet it hasn’t.
Customer
Reviewed in the United States on October 16, 2024
The media could not be loaded.
Jeremy Y.
Reviewed in the United States on September 26, 2023
The media could not be loaded.
Norm Courage
Reviewed in Canada on November 3, 2023
I use this with my PondAir 2 and they produce a nice air column.
Beatnik
Reviewed in Canada on May 21, 2019
I've tried the VIVOSUN, Pawfly, ActiveAir, and an assortment of smaller variations (I learned after a while to stick with the 'pop can' versions for DWC Hydroponics). The VIVOSUN stones seem to distribute the smallest, finest bubbles over the greatest area. I commonly use one stone per bucket, but I recently ordered more and added two per bucket. Growth has exploded. I didn't really expect it would make much of a difference and I just wanted to make use of an extra air pump I had, but the results are undeniable. So, in short, order a few extra and double down. At this price you can't go wrong.Noob note - never wash with soap and the put stone in reservoir. You will be giving your plants a bubble bath. Soak stones in ph water before use.
Jonathan
Reviewed in Canada on April 11, 2019
Good price and fast shipping, but one of the airstone is leaking air where the plastic connector is located (its not the tube) but considering the price cant really complaint...Edit: Vivosun sent me a replacement and I also bought 2 more airstones, all of them had zero problem... i was just unlucky with the first one I bought. I will continue to buy Vivosun products
Heath
Reviewed in Canada on September 16, 2018
3 of the 4 I bought worked beautifully; the fourth, I had to reseal - the air blew right out at the connection, instead of through the stone. Overall, these air stones are large, but not as effective as others I've had. I bought them to use in Koi pond moving bed bio-filters, and they will suit that purpose well.
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