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Old 07-28-2006, 03:09 PM   #1
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Removed 2nd biowheel today

I removed the first biowheel from my HOB yesterday. No spikes in params. I removed the filter media from it last week.

I was going to give it a few days, but I was checking the filter today, and the spraybar that shoots water over my second biowheel was completely plugged, except for one hole which was partially blocked. So at least for awhile its only been getting a trickle of water running over it.

I've removed it, since it was essentially doing nothing for the system.

I'll be watching params all day, but I'm confident everything will stay stable.

I'm going to leave the filter itself running for another few days, as I'm sure there is beneficial bacteria growing inside the housing, and I don't want to remove too much too fast.

Wheeee, I'm almost filterless!

I'm down to one sponge, in the overflow box. I clean it regularly (daily, if not more), and its great to catch any bigger items the get in there, like mysis, flakes, etc.

I've ordered a PO4 testkit, to see how that's going, cause I still have a good amount of cyano growing in my fuge.
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Old 07-28-2006, 03:21 PM   #2
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Cool deal! Keep us posted!
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Old 07-28-2006, 06:27 PM   #3
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Old 07-28-2006, 06:37 PM   #4
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Almost 5 hours passed, no change in water params.

No filter running at all - only the sump/fuge, and protein skimmer.

I don't think I've got enough water movement now though, without the HOB filter, which added quite a bit.

I've got a PH in one corner, where the overflow box is, and the return in the other corner. Judging by how the parrotfish poop just dropped and settled in a corner, I need to move more water around.

With the new rock I keep adding (up to 75 to 80 pounds plus about 10 pounds of rubble), its getting trickly to get good water flow everywhere.

Luckily, I've got 2 powerheads sitting around for just this purpose.

Here's a pic of the tank - I've got several of the medium rocks in my fuge right now, trying to get my mushrooms attached.

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Old 07-28-2006, 06:39 PM   #5
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i would keep the filter running for added movement, at least that's what I'm doing. Congrats on the sucess!
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Old 07-28-2006, 06:43 PM   #6
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Going to throw on the 2 spare PH's for that. The filter captures every bit of crud floating in the water column and holds on to it, in the bottom of the enclosure. Its VERY hard to clean, cause its tall and deep, and vacuuming doesn't work very well.

I can't touch it without it spewing crud out, that's my biggest reason for eliminating it.
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2x250MH 14K, 2x175MH 14K - PFO lighting, 2x65W PC
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Old 07-28-2006, 07:20 PM   #7
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Scoot , nice tank.
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Old 07-28-2006, 07:28 PM   #8
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Thanks. The rocks aren't arranged very well, every time I add new ones, I have to re-arrange them smaller ones, and I still have everything out of order from when I was looking for my arrow crab.

I also just scraped off all the coralline from the front glass. Whew. The water's a mess now from stirred up sand, but the glass looks soooo much better.
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Old 07-29-2006, 10:02 AM   #9
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Hey Scoot is your info up to date? Its says you have 75 lbs pounds of live rock in your 75 is that correct? Man if your going filter less with that I can do it with 125 lbs pounds in my 75 unless you have a secret your keeping.I think thats where my cyano problem is coming from. for weeks now I have been heavy skimming and changed to RO/DI it has let up a bit except for the area around the emperor 400 outlets.
Have you ever heard of the maxi-jet mod? I have one on my 75 and let me tell you it moves some serious water, I did a mj 900 and Im thinking of adding one more.


edit:typo
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Old 07-29-2006, 12:02 PM   #10
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No secrets. Maybe I'm just lucky. Or daring. Or stupid.

75 pounds, yes. Give or take. The stores use these stupid bathroom scales, that can't be accurage for small 3-5 pound weights. I'm guessing because of that I probably have more than that, I've seen them set a 3 pound rock on there, and the scale barely moves off 0. Most of my rocks are under 3 or 4 pounds, and I've got quite a few of them.

I have quite a bit of LS too - 2 to 3 inches.

I have a pretty big fish load too, 11 fishies altogether.

Been going almost 24 hours now with the HOB unplugged, 2 days without biowheels.

Nitrates have DROPPED! W000T! I've seen nitrates stablize at between 10 and 20 over the last month, but now they've actually taken a significant drop, to what looks like the 5-10ppm range (without a PWC).

I think my HOB collected so much crud in it (its shape lets things collect in the bottom), I think it was seriously contributing to nitrate production.

I'm going to continue testing ammonia and nitrite today, but things look great right now.

I don't have any maxi-jets, all my pH's are penguins.
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