Aquarium Co-Op Weighted Air Stone

I got 4 of these airstones to give them a try and I am very impressed with them. I have been using them for a month and they have not degraded if flow whatsoever. I was worried about the bubbles being too large/loud however that is not the case. They have the same bubble size as the oase airstones I had laying around however those degrade fairly quick and clog. I suspect these will never clog and if they do a quick sink rinse will fix it as they are just solid plastic.

I use them primarily with my Ziss brine shrimp hatchery. They work perfectly for this application. If I had nano fish tanks I would use them as my first choice because they work! Highly recommend

Like the way it sink fast where you want it!

Bought some weighted air stones from Aquarium CooP. Terrific product.. will be buying more.

Great item, easy to use.

Stays in place and decent airflow. Another great product from aquarium coop

Order came on time and was packed perfectly. They even threw in an extra sticker. The airstones work great too. Awesome experience and will order again from the Co Op.

We use it in our brine shrimp hatcheries and it definitely helps keep the airstone at the bottom of the hatchery plus the salt hasn't worn it down like a normal airstone.

Always quick and fast shipping

They sink, make bubbles, and blend in well in a planted tank.