I absolutely love the way this Easy Flow Sponge Filter Upgrade Kit provides much better surface agitation, and consequently much improved oxygenation, on my 20 Gallon High tank!

Easy peasy lemon squeezy to add to my ACO sponge filter. Really appreciate the video explanation. Took me all of 2 minutes to install. Flow has significantly improved and my filter is already looking messy from the additional suction.

I got this for my 55g that I set up to mimic a stream sort of look. As if looking from the center of the stream at one of the banks. So I wanted flow going along in the front. This is working perfect and I love it! The fish seem to love playing in the current too!

I purchased this flo kit to go into my 20 gallon long aquarium. The spout and the med sized sponge did not work as the spout was to long. I then had to reduce the filter to half it's size as well as cut the med sized sponge in half. By doing this, the kit worked and so far I am very pleased with the quality of the water. No more floating particles and the fish seem to like it also.

Been using some European metric size lift tubes for matten filters and sponge filters. The bubbles it produced were a noisy large splashy thumbs down, and the air collar gets clogged with debris that had to often be cleared out.
These coop lift tubes are nearly silent, easy to customize height and produce nice small bubbles and don't splash. I'm using these for saltwater seahorse tanks and the salt creep is much less too.
I also installed some of these with coop nano sponge to feed breeder boxes and wow they work great! No more glug and much better water flow. Very glad I got these.

I have been using the Easy Flow Upgrade Kit for a little under a year now and am very happy with the flow they provide. The ability to adjust the length of the uplift tubing makes this a great product in my fish room for both my larger (largest 245 gallon) and smaller aquariums (smallest 20 gallon high). I would recommend upgrading your current sponge filters.

Based on the science I'm familiar with I believe this increases the flow on a sponge filter but since I don't own any way to prove that we'll have to take that on faith. What I can say for sure is that it's easy to convert your existing short tube sponge to this set up and it's very adjustable for height with all the tubes it comes with. Plus you can aim the bubbles in a particular direction if you want.

I like it and I haven't heard any complaints from my fish. Enjoy this not so good picture of it being used in my patio pond.

The outlet is too small by the time it bends and the permanent airstane gets un leanable in 6 or 8 months. I brike my down like the picture and popped the old ZISS airstone back in and now it rocks. The additional outlet guves a bit more suction to the device overall and less maintenance period ! I do feel with a little tweaking this could become another Co-op home run though keep at it Corey you'll get this guy right. I also got a Tetra 30 gallon hang on back filter there so all you guys at my criticize me for trying to use a small phone filter in a 30 gallon tank no it's just to provide some extra Bubbles and stuff you'll see some more of my favorite aquarium Co-op parts and stuff on that guy too!

Got all my buddies with fish tanks this. I call it sprite water. It makes so many bubbles with a zist air stone. Also goes in hand with sponge filter. Never getting hand on the back again.

It's an easy upgrade. It greatly improves the flow of the sponge filter. Definitely one of the best designs available

Works great water flow is great and much more quiet

I installed this upgrade kit to our 20 Gallon tall aquarium with a large sponge filter and it works great! It keeps the top of the water moving while also sucking up particles from the water column.

I used this product for a matten filter. It works great, lots of flow.

Very surprised by the amount of flow this adds and ease of set up by not having to install an additional air stone. Before getting this product I re-installed my HOB filter to get more flow in my tank but I am considering removing again after seeing this add-on in action.

Really like the addition of the flow kit but having to watch the pipe height and water levels more closely as the flow can get too strong for some plants

Completely resolved the bubble splashing problem I was having where the air bubbles were splashing little bits of water onto my light and side of tank. This was the perfect solution.

I have always Loved these sponge filters. They do a great job keeping my water clean and clear. They are weighted and they look good. I got the upgrade kit and WOW!!! It is quieter. I like how it now keeps the surface agitated well and a gentle water movement through my tank. Great job.

I was hesitant to try, but now I'm replacing all those terrible Ziss air stones with these Easy flow kits... With over 60 active tanks, I think this will be the best upgrade I've made so far...! Another great product...!!!

I like this product. Works well. Like the airlift as my no clog air stone was always needing to be cleaned. I have multiple and like the coarse doing as well. They are modular as well. And myself made a six inch sponge filter and used a 6 inch tetra coarse pond sponge.

#1 Reason Why I Love Easy Flow Filter Kits!

✔️ Provides great directional flow!
✔️ You can customize it for your setup!
✔️ It's cost effective and easy to install!
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#1 The hard water deposits on my tank frame and lid are no more! ❤️

Lol, seriously though! Not having to place sponge filters towards the middle of my tank, keep lower water levels, etc. to avoid hard water deposits is AMAZING. All of my tanks with sponge filters have received this upgrade now!