I used the bak-pak for about 2 years on an old tank and I wasn't thrilled with its performance. The collection cup requires constant adjustment and the unit can be very sensitive to water height... and even when it was it was functioning at peak, it wasn't that great. It eventually became a mini fuge.
As far as HOB choices go, I've heard good things about the Aqua C Remora, but haven't used it myself.
Ok! that is good to know thanks AV8er. I am looking for the best bank for my buck. I just don't want a piece of crap like the last one I got.
I used the bak-pak for about 2 years on an old tank and I wasn't thrilled with its performance. The collection cup requires constant adjustment and the unit can be very sensitive to water height... and even when it was it was functioning at peak, it wasn't that great. It eventually became a mini fuge.
As far as HOB choices go, I've heard good things about the Aqua C Remora, but haven't used it myself.
I have an Remora (not the larger Pro model) with a maxijet 1200 on my 29gal system. It works quite well. If you have it on your display, you may want to consider the remora overflow option. The overflow helps a LOT with surface skimming. I currently don't have that option, but I do have a sump plumbed in with an overflow there, so that helps. When new, the remora can throw a -lot- of microbubbles in the tank, but they will go away once the thing settles. It was unnerving at first. I took eggrate and filter material and made sort of a basket doohickey that captured the skimmer output. This knocked the bubbles down to almost nothing. When the skimmer settled, I removed it.
If you want a pic of that simple bubble capture device, I can snap one and post it. It is nothing more than an eggcrate cover with a small eggcreate basket tied onto it.
About cleaning HOB skimmers.. supposedly they do need to be cleaned every so often. I have yet to do mine and it has been some 4 months since I got it. No performance impact. One silly thing I noticed is if I turn the skimmer off for a feeding or whatever.. sometimes when I turn it back on I dislodge pineapple sponges that are stuck in the skimmer. Apparently they like it in there.
If you are considering the Remora, read up on the Remora noise mod. There are discussions about it out there. Sometimes it is known as the 'paper towel fix'. It is a simple mod that makes the skimmer a great deal quieter. A silly and easy mod, but it makes a very notable noise difference. That is the only odd quirk I have found with that skimmer. The mod has no affect on performance.
I saw the overflow option. If that box go's into the tank and the pump go's inside there, then were does the skimmer go???
I've tried the remora as well, worked well, much better with the mag3, and the overflow box is a must, for both better skimming, and bubble reduction.
Your original post says your not concerned with cost, some of the reef octopus skimmers from Bruno's link look really good. I'd give one of those a try. Especially if your talking for a larger tank. I think 90gal is just too big for a remora.
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