Pre-Filter box attachment for AquaC - Aquarium Advice

VAguy39 · 03-11-2005, 10:31 PM

I have the [acronym:12dbb7dfcc="Hang On Back"]HOB[/acronym:12dbb7dfcc] AquaC with the MaxiJet 1200 pump. I just added the pre-filter box. It seems since I added this box the skimmer is not producing much foam. It hardly seems to be skimming at all. One thing I noticed is the intake to the pumb is very close to the dividing wall of the box. Could this be impeding the performance of the pump/skimmer? The return flow out of the skimmer seems to be the same as it was before I added the pre-filter box. On a briter note the box does skim off the surface very well, the surface of my water is very clean now

and the bubble sponge works well at reducing the bubbles. Also I like having a media chamber since I am not running any other filter. I do think they could have designed the box to attach better then with the two screws that tighten into the side of the MJ1200. The box does not seem to be attached very securely. My box had a tilt to it after it was attach that I corrected by putiing two spare suction cups from the bracket of one of my other MaxiJets behind the box to move it out from the back glass a little.

srgetz · 03-12-2005, 12:54 AM

Quote:

It hardly seems to be skimming at all. One thing I noticed is the intake to the pumb is very close to the dividing wall of the box. Could this be impeding the performance of the pump/skimmer?

I think so. Mine produces much less skimmate with the prefilter box on there. I stopped using it and it is now picking up much more again. It seems to slow it down around 50%. Anyway, I'm glad to know it's not just me...

VAguy39 · 03-12-2005, 01:18 AM

Well that stinks.....the write up on it says it is suppose to increase performance by 20% I guess I should not believe everything I read.

fishfreek · 03-12-2005, 01:41 PM

The performance increase wouold be due to the effect that the [acronym:9c05067fec="Dissolved Organic Compounds"]DOC[/acronym:9c05067fec]'s that would normally just sit on the surface of the water are being skimmed. I concur your thoughts on how the box attaches. WHen I got mine I was confused at how the box attached and duduced thats what the two screws where for.

VAguy39 · 03-13-2005, 12:59 AM

I understand that it skims the [acronym:4571d87fe9="Dissolved Organic Compounds"]DOC[/acronym:4571d87fe9]'s off the top. My concern is since I have installed it I am getting much less foam. Granted I have had the skimmer for less then 3 weeks but since day one I was getting a good amount of foam in the collection cup each day. Now I hardly get any. Some days I get none. Could this mean my tank water is clean and there is not much to skim? I don't think this is the case as my Nitrates are close to 20. Oh well I will give it a few days and see how it goes.

Thanks all....

Mark

srgetz · 03-22-2005, 09:41 PM

Try without the box as I did, this will tell you which is pulling more out...

djmpj2 · 03-23-2005, 01:47 PM

Isn't this disappointing? We had the same problem. Stopped using it after just 2 weeks. Our tank started turning green just after we add the preskimmer. We can't help but wonder if the reduction in skim matter was the beginning of our big problem. Wish I had know about this issue before I blew $29+ on it.
DJ

allyjoe · 03-23-2005, 11:35 PM

I just bought the Remora Pro with the Mag-Drive Pump and decided to get the prefilter (I also read the literature that said this would increase the performance of the unit 20%). Have not installed it. Has anyone out there had success with the prefilter box? Any lessons learned on how to get it to work best?

VAguy39 · 03-24-2005, 01:47 AM

well after some major tweeking and adjusting i have got mine working pretty well. My skimmer is producing foam every day again. it's just a real pain in the neck to adjust. Properly adjusted it does do a great job skimming the surface. My surface water is crystal clear now, and I have no other place to run carbon or other types of sponges if i wanted since I have no other filter or sump on my tank. Also you have to keep up with topping off your tank or you will risk your pump running dry...I still think my skimmer skimmed better without it.

captivereefs · 03-24-2005, 12:38 PM

The box has oils on it from production and will cause the skimmer too act funny for a few weeks but should settle back to normal once it release everything. Another thing people do is shove the pump intake tigh up against the prefilter box. You want the pump intake as unrestricted as possible.

03-11-2005, 10:31 PM	#1
VAguy39 Aquarium Advice Regular Join Date: Jan 2005 Location: Virginia Posts: 71 Images: 6	Pre-Filter box attachment for AquaC I have the [acronym:12dbb7dfcc="Hang On Back"]HOB[/acronym:12dbb7dfcc] AquaC with the MaxiJet 1200 pump. I just added the pre-filter box. It seems since I added this box the skimmer is not producing much foam. It hardly seems to be skimming at all. One thing I noticed is the intake to the pumb is very close to the dividing wall of the box. Could this be impeding the performance of the pump/skimmer? The return flow out of the skimmer seems to be the same as it was before I added the pre-filter box. On a briter note the box does skim off the surface very well, the surface of my water is very clean now and the bubble sponge works well at reducing the bubbles. Also I like having a media chamber since I am not running any other filter. I do think they could have designed the box to attach better then with the two screws that tighten into the side of the MJ1200. The box does not seem to be attached very securely. My box had a tilt to it after it was attach that I corrected by putiing two spare suction cups from the bracket of one of my other MaxiJets behind the box to move it out from the back glass a little.

03-12-2005, 01:41 PM	#4
fishfreek Aquarium Advice FINatic Moderator Emeritus Join Date: May 2002 Location: Virginia Posts: 971 Images: 82	The performance increase wouold be due to the effect that the [acronym:9c05067fec="Dissolved Organic Compounds"]DOC[/acronym:9c05067fec]'s that would normally just sit on the surface of the water are being skimmed. I concur your thoughts on how the box attaches. WHen I got mine I was confused at how the box attached and duduced thats what the two screws where for. __________________ Remember dont tap the glass, your fish will think you're an idiot -Anonymous mother Check out our articles area. 30+ Aquatic articles for your enjoyment Are you in or around the Shenandoah Valley area? If so click here to join our regional forum. Looking for affordable web hosting? Look no more We have the answer Learn more about Coral Reef Conservation. Free photo hosting

03-22-2005, 09:41 PM	#6
srgetz Aquarium Advice Freak Join Date: Jan 2004 Location: Pennsylvania Posts: 472	Try without the box as I did, this will tell you which is pulling more out... __________________ hey half the fun is dreaming it up!

03-23-2005, 01:47 PM	#7
djmpj2 Aquarium Advice Freak Join Date: Dec 2004 Location: New Jersey Posts: 218	Isn't this disappointing? We had the same problem. Stopped using it after just 2 weeks. Our tank started turning green just after we add the preskimmer. We can't help but wonder if the reduction in skim matter was the beginning of our big problem. Wish I had know about this issue before I blew $29+ on it. DJ __________________ 54G AGA Corner Tank Eheim 2215 Canister Filter (w/ live rock rubble in it) 3 Maxijet 1200 Power Heads Aqua C Remora Protein Skimmer Acqua C Remora Pre-Skimmer 75 pounds Live Rock 30" 2x65w Coralife Lunar Aqualights Diatom Filter Turbo Twist UV 2 Percula Clowns, Diamond Golby, Flame Angel, Royal Gramma, Lawnmower Blenny, PPmint shrimp, 3 emerald crabs and a huge cleaning crew (snails and crabs)

03-24-2005, 12:38 PM	#10
captivereefs Aquarium Advice Addict Join Date: Oct 2003 Location: WI Posts: 1,852	The box has oils on it from production and will cause the skimmer too act funny for a few weeks but should settle back to normal once it release everything. Another thing people do is shove the pump intake tigh up against the prefilter box. You want the pump intake as unrestricted as possible. __________________ Darin

03-12-2005, 01:18 AM	#3
VAguy39 Aquarium Advice Regular Join Date: Jan 2005 Location: Virginia Posts: 71 Images: 6	Well that stinks.....the write up on it says it is suppose to increase performance by 20% I guess I should not believe everything I read.

03-13-2005, 12:59 AM	#5
VAguy39 Aquarium Advice Regular Join Date: Jan 2005 Location: Virginia Posts: 71 Images: 6	I understand that it skims the [acronym:4571d87fe9="Dissolved Organic Compounds"]DOC[/acronym:4571d87fe9]'s off the top. My concern is since I have installed it I am getting much less foam. Granted I have had the skimmer for less then 3 weeks but since day one I was getting a good amount of foam in the collection cup each day. Now I hardly get any. Some days I get none. Could this mean my tank water is clean and there is not much to skim? I don't think this is the case as my Nitrates are close to 20. Oh well I will give it a few days and see how it goes. Thanks all.... Mark

03-23-2005, 11:35 PM	#8
allyjoe Aquarium Advice Apprentice Join Date: Mar 2005 Location: Florida Posts: 36	I just bought the Remora Pro with the Mag-Drive Pump and decided to get the prefilter (I also read the literature that said this would increase the performance of the unit 20%). Have not installed it. Has anyone out there had success with the prefilter box? Any lessons learned on how to get it to work best?

03-24-2005, 01:47 AM	#9
VAguy39 Aquarium Advice Regular Join Date: Jan 2005 Location: Virginia Posts: 71 Images: 6	well after some major tweeking and adjusting i have got mine working pretty well. My skimmer is producing foam every day again. it's just a real pain in the neck to adjust. Properly adjusted it does do a great job skimming the surface. My surface water is crystal clear now, and I have no other place to run carbon or other types of sponges if i wanted since I have no other filter or sump on my tank. Also you have to keep up with topping off your tank or you will risk your pump running dry...I still think my skimmer skimmed better without it.

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