WTB - Tunze ATO 3155 Osmolator

Apr 21, 2026

civber

Community Member

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Hi,
I’m looking to buy a Tunze Osmolator 3155 for my Innovative Marine 15 tank.
Preferably in good working condition, complete with all parts.

Located in California (CA)
Open to shipping or local pickup

Please let me know what you have available, condition, and price.
Thank you!

WHEN PLANNING CORAL PLACEMENT, WHAT USUALLY WINS? THE FUTURE COLONY, OR THE NEXT FRAG?

I leave plenty of open space for large future colonies
Votes: 3 21.4%
I plan for growth...but occasionally squeeze coral into tight spaces
Votes: 5 35.7%
I try to balance future growth with variety now
Votes: 4 28.6%
I fit in as many frags as I reasonably can
Votes: 3 21.4%
One more frag always wins! Future me can solve the problem...
Votes: 0 0.0%
It depends on the coral and how quickly it grows
Votes: 1 7.1%
I squeeze 'em in! Survival of the fittest, baby!!
Votes: 0 0.0%
I’m already out of room, so apparently we know my answer...
Votes: 1 7.1%

Tunze ATO 3155 Osmolator

civber

Community Member

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WHEN PLANNING CORAL PLACEMENT, WHAT USUALLY WINS? THE FUTURE COLONY, OR THE NEXT FRAG?

I leave plenty of open space for large future colonies

I plan for growth...but occasionally squeeze coral into tight spaces

I try to balance future growth with variety now

I fit in as many frags as I reasonably can

One more frag always wins! Future me can solve the problem...

It depends on the coral and how quickly it grows

I squeeze 'em in! Survival of the fittest, baby!!

I’m already out of room, so apparently we know my answer...

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