tunze 9012 skimmer

Hi! As the Post Says, I have the Tunze 9012 Skimmer thinking it would fit my Reefer 170 set-up and unfortunate it wont, found out after leak testing the system. The skimmer is Practically Brand New. Just way too big, and requires a high water level. So got the 9004 Instead. Never used or Plugged...

Tunze Comline DOC 9012 DC Protein Skimmer - $215 shipped to the continental United States. Used for about 2 years, well maintained and works great. I only replaced this skimmer to utilize a smaller/better sized skimmer for my system. This skimmer recently had a citric acid bath and a scrub. I...

Tunze Comline DOC 9012 (Brand New) had to open box to show contents. $300 obo. Free Shipping available (continental US). I purchased this before I did a house remodel and never got it setup. In the process of the house remodel one of the workers unplugged the holding tank and long story short...

I have the tunze 9012 in tank skimmer which is highly rated but no matter what I do it spews microbubbles from the bottom even when the skimmer if fully open. Also, I have to have the air intake turned down a lot or it overflows. I have the water line about halfway up the intake of the skimmer...