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Ista 2-in-1 CO2 Bubble Counter & Check Valve

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$3.49 $4.99 In stock

Category: Aquarium CO2

Ista 2 in 1 CO2 Bubble Counter & Check Valve monitors the volume of CO2 bubbles per minute and the check valve ensures no back flow problems. The small size and stylish design of this acrylic diffuser makes this perfect for nano and aquascaping tanks. Suitable for all CO2 installations.

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United States · Return window (days after delivery): 30. Return method: By mail. Return postage: Seller pays.

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Customer Reviews (4.6 / 5 · 5 reviews)

Joseph Y. ★★★★★

The bubble counter and check valve in one unit saved me a separate tee fitting, and the acrylic is crystal clear so I can actually see the count at a glance. It’s been running a week with zero backflow issues, and the small footprint fits neatly behind my tank.

James H. ★★★★★

Installed this on my CO2 line and the built-in check valve gives me real peace of mind against water backing up into the regulator. The bubble counting is clear and easy to read through the acrylic, which is a nice bonus.

Harper Q. ★★★★★

Didn't realize how much I needed to actually see my bubble count until I swapped this in. The acrylic body is clear enough that counting bubbles per minute takes two seconds, and having the check valve built in means one less piece of tubing in the cabinet.

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