Does this comes with bubble counter fluid? If not what do you use, water? oil? and will this work with 20 Gallon Tank? Thanks a bunch.

I just use tank water in it. If you out your check valve between the counter and Te CO2 source, you'll get back flow from the tank that will fill the bubble counter. It will also be fine for a 20 gallon; this is just the bubble counter, it doesn't come with any CO2.

It's for people who add CO2 to their aquariums to help plants grow. You fill this with water and then run your CO2 through it. (Connect tubing from your CO2 cannister to the input, then connect more tubing from the output to your fish tank end.) The whole point of this product is for you to be able to count the bubbles of CO2 going into your tank so that you know how much you are adding to your tank. Most people start with something like "1 bubble per second" or "30 bubbles per minute" and then adjust from there as needed.

Does it come with a suction cup to attach to side of tank?

Yes, it is also interchangeable with a clip to hang on the counter on the side of the tank if you have a rimless tank.

Can it be used on any size application or is it limited?

Im using one on a 5lb co2 cylinder and another one on a paintball co2 tank. Works fine on both.

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88g-CO2 Bubble Counter - 3.1 Ounces

Product ID: 266474949

Details

Brand
Fluval
Item form
Stick
Item weight
41 g
Liquid volume
91 Milliliters
Unit count
1 Count

💨Precise CO2 bubble counting

⚖️Lightweight 3.1 oz design

🇺🇸Proudly made in USA

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S$33

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Description

💧 Bubble up your aquarium’s health with precision and style!

COMPACT LIGHTWEIGHT - Sleek 3.1 oz design fits seamlessly into any setup without bulk.
ACCURATE CO 2 MONITORING - Keep your planted aquarium thriving with pinpoint bubble counting.
UNIVERSAL COMPATIBILITY - Perfectly pairs with popular CO2 systems for beginners and pros alike.
EFFORTLESS AQUARIUM HEALTH - Simplify CO2 dosing to maintain vibrant aquatic life effortlessly.
TRUSTED AMERICAN CRAFTSMANSHIP - Engineered and made in the USA for quality and reliability.

The Fluval 88g-CO2 Bubble Counter is a lightweight, precision tool designed to monitor CO2 dosing in planted aquariums. Made in the USA, it ensures accurate bubble counting to help maintain a healthy aquatic environment, suitable for both beginners and advanced aquarium enthusiasts.

Specifications

ASIN	B004GCPM6K
Best Sellers Rank	#97,585 in Pet Supplies ( See Top 100 in Pet Supplies ) #6,865 in Aquarium Accessories
Brand Name	Fluval
Customer Reviews	4.5 4.5 out of 5 stars (744)
Global Trade Identification Number	00015561175500
Included Components	Bubble Counter
Item Form	Stick
Item Type Name	CO2 Bubble Counter
Item Weight	0.09 Pounds
Liquid Volume	91 Milliliters
Manufacturer	Rolf C. Hagen (USA) Corp.
Manufacturer Part Number	17550
Model Number	17550
Pet Type	Fish
Target Species	Fish
UPC	015561175500
Unit Count	1 Count

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