Air bubbles travelling through a water column will NOT add oxygen to water. The simple priciple of surface tension keeps the bubble intact. If the the bubble gave off oxygen it would dissolve before reaching the surface. Only surface agitation adds oxygen to water. This is a scientific fact.

Hi asherah, the aqua c remora skimmer is still my better choice than the berlin skimmer. Regards Ken

I looked it up and the aqua remora sounds pretty kewl =)
Should I get the prefilter skimmer box for it ?
thanks alot
asherah

Hey Asherah-I have 2 Aqua C Remora Pro Skimmers....one with prefilter box and one without....absolutely excellent skimmer and YES invest in the prefilter box...much less Microbubbles! Good luck....and it does take a bit of settle in/break in time for the skimmer but once it is going well it is great! I get the nastiest black soup out of there....!

I'm a little confsued as to where the collection cu p it on this thing =p
I cant tell by the pictures.
asherah

On the top of the unit...it slides right in

If at all possible take a sample of your water to a LFS, often times, especially if you are purchasing non premium test kits, the reagent may be either stale or bad. I've seen this often enough to know I don't trust them, if something looks wrong and the tests are all fine I'll get a second opinion. Good luck.

Doug