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Welcom to GLA, planted aquarium boutique with 20 years industry expertise in: professional aquarium CO2 regulators & custom CO2 systems, complete collection of GLA planted tank fertilizers, thriving aquarium plants & tissue cultures, and specializing in custom hardscape design

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  • Green Leaf Aquariums
  • Green Leaf Aquariums, LLC
    GreenLeafAquariums.com
    5200 NW 43RD STREET
    SUITE 102-264
    GAINESVILLE, FLORIDA 32606 / USA
    info@greenleafaquariums.com
    text/SMS:(833) 679-0910
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FREE STANDARD SHIPPING ON $125+ to USA details

Free GLA Substrate Fertilizer Capsules - promotion added to cart with orders $200+

Aluminum Inline CO2 Diffuser

£38.36
(16 reviews) Write a Review
SKU:
371852
Adding to cart… The item has been added

Our aluminum CO2 diffuser is designed to be installed outside of the aquarium, inline within the outflow tubing of your canister filter, either below the aquarium or mounted to the aquarium glass. This diffuser is capable of 100% dissolution of CO2 in the aquarium water, creating a fine mist readily absorbed by plants.

features aluminum body that easily comes apart for thorough cleaning

features a replaceable ceramic tube so that you can ensure lifetime use and performance

mount outside of aquarium inline within outflow tubing of canister filter

select to fit tubing size 12/16mm ID/OD or 16/22mm ID/OD (inside diameter /outside diameter)

Creates a super fine mist of CO2 bubbles, bubble size is less than 0.1mm diameter

Important Instructions...

This professional quality diffuser requires a minimum of 30 psi working pressure.

Must be used with Green Leaf Aquariums CO2 pressure rated tubing only, not for use with silicone or other brand tubing. Tubing must be acid resistant and rated for high working pressure. Compatible with all tubing sold by GLA.

Handle diffuser carefully, do not touch ceramic. Install and remove tubing carefully.

Do not use with bubble counter fluid or other bubble counter oils. Fill bubble counter with water only to avoid contamination of diffuser.

Monitor and clean diffuser regularly.

Shipping, Warranty & Returns

Diffusers are not warranted against improper use or handling. Please read all important notices listed above prior to purchase and prior to use.

16 Reviews Hide Reviews Show Reviews

  • 5
    Effective and easy

    Posted by David Ben-Avraham on 16th Apr 2021

    I have owned a number of different inline diffusers over the years, being able to change out the ceramic cylinder with such ease w/o having to detach the entire diffuser has motivated me to do more frequent cleanings of the diffuser making for a more stable CO2 level.

  • 5
    The best co2 diffuser

    Posted by Phillip John on 20th Mar 2021

    I love this diffuser, I own 3 of them running on a 1000g aquascape. I was going to go with the reactor but after contacting GLA this is a superior method. Especially for larger tanks. You can easily run these in series in a large tank because the footprint they carry is small. We use 2 under our 1000g and the tank is spot on perfect with GLA co2 system and diffuser kit. We use the Pro-2 co2 regulator to match and the match is made in heaven.

  • 5
    Top quality diffuser!

    Posted by Danilo on 17th Jan 2021

    Not to be dramatic, but I think I found a diffuser that will last me a lifetime (if the ceramic replacements keep being made, that is). Build quality is incredible! This diffuser feels like anything but cheap. I'm injecting CO2 on a tank for the first time so I have not enough experience to compare in-tank diffusers with this one, but from what I’ve seen in the LFSs I frequent, this inline diffuser creates bubbles way smaller than an in-tank one, almost like a fine mist I must say. While doing my research the takeaway was “the finer the bubbles, the better CO2 gets dissolved in the water” and I think this diffuser gets the job done. Tissue culture plants in my new setup were began photosynthesizing on the very day I setup the tank and even started to pearl. How crazy is that! That tells me the diffuser is doing an excellent job at dissolving CO2 in the water column. So yes, I highly recommend this diffuser, even if you’re. CO2 newbie like me! Do note that, while it comes assembled, the diffuser needs to be tightened a bit more before use to prevent gas leaks. Connect it to your CO2 regulator, run it for a while and submerse your diffuser in water. If bubbles come out from anywhere in the diffuser but the filter hose inlets, then you have a leak an need to tighten the diffuser parts.

  • 5
    One of the best In-line Diffusers

    Posted by Channell McCollum on 26th Dec 2020

    This is good in-line diffuser that looks professional and performs as it should. Just remember not to touch the ceramic. Little bubbles appear in the diffuser which are cool, but the bubbles dissolve before going to the tank.

  • 5
    ALUMINUM INLINE CO2 DIFFUSER

    Posted by Rob Cook on 12th Sep 2020

    Another fine product by, GLA. This is a great aluminum version as compared to the commonly seen plastic diffuser. This one was built for longevity.

  • 5
    Incredible build quality

    Posted by Steve on 4th May 2020

    Just received this to replace the plastic model. For the few dollars more than the plastic ones, go with the aluminium one. You will never regret it. Amazing build quality that is difficult to find these days.

  • 5
    Great Quality

    Posted by Garrett Kimble on 30th Apr 2020

    I am very happy with this diffuser. Appears to be very high qaulity and very easy to install. I love not having a diffuser in my tank.

  • 5
    Awesome!

    Posted by Blake Durham on 28th Jan 2020

    GLA has the best diffusers hands down. This alluminum diffuser replaced my plastic atomic co2 diffuser. This model is certainly a step up in my co2 game. It has the ability to remove the ceramic stone to be cleaned or replaced. You dont need to buy 2 diffusers, just buy the extra ceramic tube and your set. One thing I liked about buying this diffuser from GLA was that they inspect each diffuser by hand to make sure all parts are accounted for. I purchased a knock off version is what looked like the same thing and when it arrived it was missing parts and appeared to not be properly assembled. The GLA diffuser arrived fully functional and now I have ample co2 mist entering my plant beds. Plants pearl like crazy by noon!

  • 4
    Review long overdo

    Posted by Edwin on 5th Jan 2020

    I purchased this diffuser sometime during April of 2019 The diffuser I had received in the mail had been damaged due to package mishandling. I contacted GLA via e-mail with photos immediately after arrival and Orlando did right by me and sent a replacement for it and some credit for plants that melted during the trip. The diffuser looks and feels durable because it is. Everybody looking at my scape eventually notices it, and it's not an eyesore. It aesthetically compliments my set-up, and stirs up conversation. Once they notice my glass lily-pipes, the next thing they see is this diffuser as their eyes follow the tubing, and eventually the rest of my shiny CO2 set-up. This diffuser will help make unsuspecting people assume you are a seasoned professional aquascaper. Everybody always asks or says "what is that for?" "It looks complicated" "Did you get it from the lab?" "Is this why your tank is so clean?" They are so impressed when I tell them "Those are not fake plants, they are real plants" (especially the red plants). Explaining basic plant biology to family and friends is something I have learned to do so well. My set-up is literally my visual cue to explaining why every piece of equipment is needed. My experience with this diffuser has been great, never would of thought this piece of equipment would lead to helping make a great conversation starter this past year. I love explaining to people how my set-up works, as it's one of the few things I know about so well, It's truly gratifying. Yes, I can probably buy something cheaper off of amazon or ebay that functions as well, but I rather have the support, service, and quality GLA provides for good looking products thus gladly pay the diff. as a premium. If the ceramic diffuser breaks during cleaning, I can just replace it and not the entire diffuser! I don't want to deal with cheap eye sores. Wish I could post some pictures!

  • 5
    In-line diffuser

    Posted by Nicole Lowy on 5th Nov 2019

    So happy with it!

  • 5
    Easy

    Posted by J. Alcanter on 31st Aug 2019

    I am new to planted aquariums and have no clue what I’m doing. I ended up having problems after installing cause I flipped my check valve on CO2 hose the wrong way. I had no clue what I did or how to fix. Customer service (Orlando) helped guide me through and trouble shoot. He was really cool about it, with an almost immediate response to my emails. I’m beyond impressed with customer service. As for the inline diffuser, was super easy, you just cut outlet hose, put in diffuser (there’s no up or down) then connected CO2 hose (make sure check valve is going right way) and your done. Creates fine bubbles. Very happy with purchase.

  • 5
    Aluminum inline co2 diffuser

    Posted by Rommel on 29th Jul 2019

    I really like the quality of this diffuser. Very well engineered and built. Very easy to install and I was up and running within 10min. Very fine bubbles at a rate of 2bps on a low tech tank. Thanks GLA!

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