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  • Fluval 88g-CO2 Bubble Counter - 3.1 Ounces
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Fluval 88g-CO2 Bubble Counter - 3.1 Ounces

by Fluval
50 customer reviews
| 4 answered questions

List Price: $19.46
Price: $3.39 & FREE Shipping on orders over $35. Details
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  • Replacement Bubble Counter for the Fluval CO2 Supply Set
  • Provides accurate dosing of CO2
  • Ensures fish and plants live in a healthy environment
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Frequently Bought Together

Fluval 88g-CO2 Bubble Counter - 3.1 Ounces + Fluval Ceramic 88g-CO2 Diffuser - 3.1 Ounces + Fluval Mini Pressurized 20g-CO2 Kit - 0.7 ounces
Price for all three: $30.07

Buy the selected items together


Product Description

The Fluval Ceramic CO2 Bubble Counter is ideal for use in planted nano aquariums, including Fluval's Flora Aquatic Plant Kit. The Fluval CO2 Bubble Counter is a replacement part for the Fluval 88g CO2 Diffuser. The diffuser helps to effectively dissolve CO2 into your aquarium, while the Fluval CO2 Bubble Counter provides accurate monitoring of the CO2 dosing.

Product Details

  • Product Dimensions: 1.2 x 3.6 x 6.2 inches
  • Shipping Weight: 0.8 ounces (View shipping rates and policies)
  • Domestic Shipping: Item can be shipped within U.S.
  • International Shipping: This item can be shipped to select countries outside of the U.S. Learn More
  • ASIN: B004GCPM6K
  • Item model number: A7550
  • Average Customer Review: 4.4 out of 5 stars  See all reviews (50 customer reviews)
  • Amazon Best Sellers Rank: #7,420 in Pet Supplies (See Top 100 in Pet Supplies)
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Customer Questions & Answers

Customer Reviews

Most Helpful Customer Reviews

33 of 36 people found the following review helpful By K. Wright on October 30, 2011
Verified Purchase
I have been keeping planted tanks for a long time. I recently set up a DIY CO2 generator for my tank and had used Fluval's diffuser in the past in a similar setup. I ordered another for my latest planted tank and the bubble counter for ease of use.

You do not need to have commercial tanks of CO2, a fancy regulator, or an expensive setup in order to have lush CO2-assisted growth. I use an old Gatorade bottle, some black airline tubing, Fluval's diffuser, and this bubble counter. I wasn't going to get a bubble counter but it was so cheap on Amazon that I went ahead and ordered it, and I am glad that I did! It provides another piece of equipment that prevents the tank from leaking back out the tubing onto the floor and allows you to see if your generator is still producing gas.

For a DIY CO2 generator:
1. Gatorade or other thick plastic bottle. Many people recommend 2-Liters. I think these are too big.
2. Fleischmann's Active Yeast, or some other baker's yeast. Not the Fast Rise kind
3. Airline tubing. CO2 tubing is really expensive and since you are generating your own CO2 for pennies, don't worry too much about gas escaping.
4. Check valve. Very important.
5. Plastic inline connectors for tubing
6. Bubble Counter
7. Diffuser
8. Silicone (if needed)

Drill hole in lid of plastic bottle. Affix plastic inline connector INSIDE the bottle with one side pointing down into the bottle and the other pointing up out of the lid. (if necessary, you can use silicone to get an airtight seal) Attach a small length of airline tubing inside the bottle. This length should be short enough that it will not dip into the Yeast and sugar mixture in the bottle. Affix another piece of airline tubing to the connector poking out of the lid.
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7 of 7 people found the following review helpful By JimmyBlues on September 23, 2013
A few years back I was using a Fluval CO2 88 Gram kit for one of my planted aquaria.

I like the Fluval 88G very much, since it was simple to use and really made a
significant difference in the plant growth in my aquarium.

However, as time went by I set up several additional planted aquaria, and
using the Fluval 88G system became impractical, given the monthly cost to replace its CO2 cartridge.

I went back to a DIY CO2 setup, using SAF yeast, and have been very happy with the results; I get about three weeks before I have recharge the DIY CO2 generators for each of my aquariums. This works out to about $100 a year, vs about $700 to replace the CO2 cartridges for 5 Fluval 88 G systems.

As I said, I like the 88 G very much, and for a single tank it works very nicely.

However, not for several tanks, when the cost would be at least seven times what it
was for just the one tank.

The decision to go back to DIY CO2 was the right one for me.

However, when it came to hatching brine shrimp eggs, I was still not satisfied with the system I was using; A San Francisco Bay Shrimpery. The Shrimpery is fine for smaller hatches, however, unless you find a way of heating it during the cooler months of the year, it does a poor job of hatching brine shrimp eggs when the temperature falls below 75 degrees.

This left me with the need to find a simple BBS hatching setup that would be good year round, while taking up as little space as possible.

After years of searching, I've finally found an elegant solution for hatching brine shrimp eggs that is very efficient and takes up very little space in my aquarium.
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2 of 2 people found the following review helpful By T3Knical5urg3 on October 29, 2013
Verified Purchase
This worked as to be expected upon receiving it. I just used deionized water in the chamber to see the bubbles and it worked fine.

It can be a bit odd to hang elegantly because it is such a light device with heavy hoses hanging from it. The joint between the suction cup tries to stop the swiveling, but the rubber suction cup itself will allow some lateral play. I ended up hiding mine as it was ugly and off-center

The reason it only gets three stars is after having it mounted for about 6 months I went to pull a tube off of it (after unscrewing the securing nut) and the whole stem broke off. It has since been thrown in the garbage.
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4 of 5 people found the following review helpful By Rich on July 22, 2012
Verified Purchase
I love this thing. For the life of me, I just could not get my DIY bubble counter to completely seal. No matter what I did, it will spring a tiny little leak somewhere, thus preventing the necessary build-up of pressure. For the 5 bucks you'll spend on one this product, it's a no-brainer. It is way more attractive then an old jelly jar, bottle, or whatever you would plan to use as a bubble counter, it can adhere to the side of your tank with a clip or a suction-cup (both provided), and the aggravation you'll save yourself by not having to drill holes in a jar and seal it off with tons of silicon would alone make this product worth the money. It's small and can easily be tucked out of the way.

My setup:

DIY Co2
-2x 1 liter bottles
-Fluval Bubble Counter
-Feeding into a powerhead for diffusion
-1 teaspoon yeast, 2 cups sugar, 3 cups water mixture in each bottle
-About 2 bps
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