JBJ vs inline glass bubble counter - The Planted Tank Forum
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post #1 of 3 (permalink) Old 11-19-2012, 11:30 PM Thread Starter
Algae Grower
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JBJ vs inline glass bubble counter

So whats the pro and cons for both? I was told the inline glass bubble counter is more accurate and less likely to ruin my regulator if it fails. As for the JBJ, I was told that the integerated check valve(made by China) will eventually fail and I can say bye to my post body.
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post #2 of 3 (permalink) Old 11-20-2012, 07:53 AM
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Inline glass bubble counter:

Will not flood your regulator setup (as long as you use a good inline check valve)
Some prefer this aesthetically
Relatively cheap

Must be mounted/stuck with suction cups to something
Can be a hassle to clean

JBJ style bubble counter:

Can be mounted directly to regulator setup
Comes in chrome plated brass, brass, aluminum
Not as fragile as some of the cheaper glass bubble counters

Can leak back (you must use a quality 1/8" NPT check valve)
More expensive
If overtightened, the plastic can crack

Hope this helps,


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post #3 of 3 (permalink) Old 11-20-2012, 11:41 AM
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I like the glass ones. There's no moving parts, and they look very clean, though the bubble size is much smaller, so don't try to compare the two bc's that way.

I swore off the JBJ-styles. The check valve will fail, probably in under a year (less than 6 months for all of 5 or 6 that I've used), and the plastic cylinder cracked on two of them. Also, they tended to leak for me, specifically at the threaded connection at the bottom.

You can run a decent check valve before the bc to help keep fluid out of the rig.
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