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CO2 REGULATORS

For those seeking the best, GLA PRO & GRO series CO2 regulators lead the way in adaptive CO2 distribution. Invest in a regulator that can adapt to your needs and last a lifetime.

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ADVANCED CO2 SYSTEMS

GLA complete CO2 systems with advanced option provides the essentials to get your aquarium equipped with CO2. The success of the planted tank is rooted in the CO2 system.

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AQUARIUM FERTILIZER

Shop micros, macros, and fertilizer packages with quick instructions: Estimative Index & PPS-Pro. Pick a reclosable bag or our new GLA Fert Jars for easy storage and dosing.

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GLA PRO TOOLS

GLA stainless steel, professional series aquascaping tools with extra sharp tungsten carbide blades. Designed specifically for your planted tank and aquarium tasks.

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CO2 DIFFUSERS

Create a super fine mist of bubbles with our Atomic CO2 diffusers. Take your CO2 diffusion to the next level.

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CAL AQUA LABS

Shop Cal Aqua Labs handcrafted aquarium glassware. Each piece is handmade and unique, using only the highest quality, lab grade, borosilicate glass for maximum strength.

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RUSTY ...

Green Leaf Aquariums is my go-to place for high-quality CO2 regulators. I’ve never used any other type of regulator on my tanks and don’t plan to any time soon. These regulators are built to last and really are the “best of the best”. The customer service that Orlando provides is AMAZING to say the least. I have never had to wait more than an hour to receive an e-mail response from him, and most of the time it only takes a matter of minutes (i swear i sometimes wonder how he even has time to think about what he’s typing!). This guy really cares about his customers and i can confidently say that i have never seen such impeccable customer service from any other company.Don’t believe me? Try it for yourself. Order something from GLA and i promise you won’t be disappointed. Thank you for all that you do for the hobby, Orlando and GLA!

ELDON ...

Hello Marco, I just wanted to say thank you I received my order today and I couldn’t be more pleased about the care taken in packing my shipment and the quality and craftsmanship of the products ordered. This is the second time I have ordered from GLA although my account will only reflect this most recent order, my first experience was ordering Cal Aqua Labs 17mm Eflux and Influx filter pipes. I look forward to continuing to do business with your company and will praise both your customer service and quality products to everyone concerned with aquatics.

LARRY ...

I shopped forever and read reviews of equipment and service forever and ended-out getting a GLA CO2 system and I’m so glad I did. Besides the top-notch equipment I got, Orlando went way out of his way answering all my nooby questions. Way to go Orlando, great service! Thanks, Larry

JOHN ...

Just a quick thank you for making PPS-Pro so easy to mix and understand. I thought I had everything right on my planted tanks with the correct levels of light, substrate, co2 and using multiple bottles of brand X, Y or Z fertilizers. While my tanks looked ok they just never looked like many of the photos online. The missing equation  was PPS-Pro in the short time I've used it all of my plants have doubled in size. I rarely got pearling and now everyday my tanks look like air stones are on full blast. Even plants that have been stagnant in growth for over a year took off.  My reds, oranges and pinks pop now color wise and mosses that never needed trimmed now need a haircut.

Nic...

I just wanted to take a moment to let you guys (and/or gals) know what a great experience I had placing an order for fertilizer. This is my first attempt at dry ferts. I've had my tank up for a couple months now and have only used one liquid fertilizer. Your website has been a great resource as I figured out I.E. vs. PPS pro. So thank you for that! Also, I placed my order late in the day Thursday and was surprised to see an email fairly early Friday stating my order had been shipped! I arrived home today on Monday to find the package already delivered! Jars seem of excellent quality, and I feel like I received a real bargain. Anyway, I never directly interacted with anyone while placing my order, but thanks for the valuable web resources, and prompt shipping! Keep up the fantastic work! Nic D., New Hampshire