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Emperor 400 Questions

This is a discussion on Emperor 400 Questions within the Aquarium Products Reviews forums, part of the TFK Resources category; --> Not much to add, just agreement. Emperors are just top of the line HOB filters. The Bio-wheel overcomes any advantages any other HOB filter ...

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Emperor 400 Questions
Old 01-22-2009, 01:45 AM   #11
 
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Not much to add, just agreement. Emperors are just top of the line HOB filters. The Bio-wheel overcomes any advantages any other HOB filter might have, in my opinion. Also, as was stated, the flow rate and filtration capacity per dollar for an Emperor is just ludicrously good compared to any canister filter.
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Old 02-04-2009, 12:19 AM   #12
 
To all that can help,

I own a Emperor 400 power filter, yes its great, quite, my 55 gallon discus tank has water that looks crystal clear. Only using 2 of the 4 media slots.
Which now raises a question, I am hearing that with the 2 extra media cartridges that you can add media like Diamond Blend etc... HOW ?? when you put any type of media in these 2 extras slots you cannot snap the media cartridges together again, will not fit, even with the micron bag, no good so I don't see the purpose here. What is it that I am doing wrong ????

Also, I hear that there are settings like low / high etc... What settings, there are not settings on this filter ????

I hear there is a setting on the top of the filter once you open the back lid, no.... there is no settings there.

Whats up here..........

Any help would be great, as I would like to use the extra 2 slots for additional media but can't be done.....
Would love to know where these settings are.....

John
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Old 02-04-2009, 02:49 AM   #13
 
Quote:
Originally Posted by JJ48484 View Post
To all that can help,

I own a Emperor 400 power filter, yes its great, quite, my 55 gallon discus tank has water that looks crystal clear. Only using 2 of the 4 media slots.
Which now raises a question, I am hearing that with the 2 extra media cartridges that you can add media like Diamond Blend etc... HOW ?? when you put any type of media in these 2 extras slots you cannot snap the media cartridges together again, will not fit, even with the micron bag, no good so I don't see the purpose here. What is it that I am doing wrong ????

You are filling the baskets too full.

Also, I hear that there are settings like low / high etc... What settings, there are not settings on this filter ????

The '"new and improved model" has a venturi opening in the intake tube.

I hear there is a setting on the top of the filter once you open the back lid, no.... there is no settings there.

Whats up here..........

See above

Any help would be great, as I would like to use the extra 2 slots for additional media but can't be done.....
Would love to know where these settings are.....

John
I hope that helps.
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Old 02-04-2009, 05:38 AM   #14
 
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The old style emperor 400 did indeed have a flow control at the top of the unit that you could pull up or push down to control flow. They also had little windows that allowed you to see that biowheel was turning. I have two such filters still in good operating condition although i have had to replace impeller on them. The newer ones have a two piece intake tube that allows water to be filtered or drawn from the middle of the water column as well as the bottom and it too can be adjusted to increase the flow being drawn from the tank or decrease the flow from the middle or bottom. On tanks that are not deep enough ,,it may be necessary to take a hack saw to shorten the length if both pieces are used otherwise it's often times too long. The extra media cartridges will hold a fair amount of media , carbon, ceramic beads, etc and one can use a pair of dykes or side cutters to remove the fins from one side of the clam shell thus allowing more media to be inserted.
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Old 02-04-2009, 04:51 PM   #15
 
Wink

HI Jerry,

thank you for your help, I understand now. I think I better stick to computers...... :)

I now understand how the media slots work or the extra ones that is....

I now understand about the in take tube which yes does have the vent to help with water flow.

Reason I didn't bring it up in my letter is because I never thought to look for it, since I don't use it.

My tank is not deep enough, however a nice hack saw would do the trick. :)

I bought the filter about 3 months ago, so I knew it was pretty new to begin with.

Thanks again for your help and to help me with understanding.

John
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Old 02-04-2009, 04:53 PM   #16
 
Hi,

Thank you for your help, see letter I sent to Jerry on the same subject...

this letter is meant for you too. thank you again for helping me understand what the 400 is all about.

John 8)
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Old 03-10-2009, 02:16 PM   #17
 
Quote:
Originally Posted by 1077 View Post
The old style emperor 400 did indeed have a flow control at the top of the unit that you could pull up or push down to control flow. They also had little windows that allowed you to see that biowheel was turning. I have two such filters still in good operating condition although i have had to replace impeller on them. The newer ones have a two piece intake tube that allows water to be filtered or drawn from the middle of the water column as well as the bottom and it too can be adjusted to increase the flow being drawn from the tank or decrease the flow from the middle or bottom. On tanks that are not deep enough ,,it may be necessary to take a hack saw to shorten the length if both pieces are used otherwise it's often times too long. The extra media cartridges will hold a fair amount of media , carbon, ceramic beads, etc and one can use a pair of dykes or side cutters to remove the fins from one side of the clam shell thus allowing more media to be inserted.
I have a 400 and a wet dry on my 75, a 400 and a 280 on my 55, and a 280 on my 30. The first 400 was given to me used about 11 years ago and recently it been moving less water. I typically give them a good cleaning about every 3 months with brushes and pipe cleaners and this one never seems to move the water anymore.

Could that be the impeller? I'm still a ways away from setting up the 125 to replace the 55 and was wondering if I should just buy a new one and dump this old one, but it never occurred to me to fix it. Did you replace the impeller because of slow flow?

On the 75 gallon, I reverse the order and fill the clam shells with floss and put the blue pads behind them so they last longer. I've also just started using drsfostersmith's replacement pads which do a nice job removing gunk, they seem to clog faster than the emporer blue pads which sort of offsets the cost savings because of more frequent replacement, but it's removing more crud that way, too.

I've also tried whisper and aquaclear and not been happy with either. Emporers are the only hang on back I'll buy.
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Old 08-04-2009, 12:13 PM   #18
 
Short question: Do the Emperor start up by themself after a power outage?
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Old 08-04-2009, 12:18 PM   #19
 
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Short question: Do the Emperor start up by themself after a power outage?
Yes, I have had that filter almost 6 years now. So long as a fuse in the power strip or breaker box did not pop when the power went out it will start right up when power returns.

I do not use the cartridges, I cut the blue floss off of them and emptied the carbon and I use the frame to wrap floss around. I fill the 2 media containers with floss as well, unless i am trying to remove meds, then I add carbon to them.

It has been a great filter for me with minimal maintenance. i clean the impeller every 2 months, and clean out the spray bars when I do the impeller.

I recently sold the tank i had this with to a friend do to a back injury I have and unable to maintain it. It is still going strong for him, I go help him with the cleaning every time it needs maintenance. We are going to replace the impeller next time. It does not need it, but at over 6 years old i figure I could not hurt.

Last edited by neenjar; 08-04-2009 at 12:24 PM..
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Old 10-01-2009, 07:38 PM   #20
 
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I used two Emperor 400's on a 75 gallon heavily planted community tank for 8 or 9 years. I never had to replace the biowheels or even clean them even one time. Once in a great while, I would have to poke a small wire through the holes in the spraybar.
I used Imagine filter cartridges, they had a clamshell frame which snapped together around the replaceable media pad, and I often cut new pads from a bulk roll. So, maintenance costs were not very high.
In the "media basket" which occupies the second slot on each side, I placed some of those porous ceramic noodles used in canister filters, between these and the biowheels, the biological filtration was truly excellent.
The only service these filters ever required was new impellers every several 4 or 5 years, the shafts would wear and get rattly, but would still move water effectively.
I don't think they would be good for CO2 injection, as the action of the biowheels would try to equalize the CO2 dissolved in your water with that in the atmosphere.
They are not completely silent, you will hear water moving through them and returning to the tank. Also, even with new impellers, there are sometimes random sounds from the motors.
Not long ago, I retired my Emperors, still working perfectly (and with recently replaced impellers). I replaced them with a pair of HydroSponge IV, powered by a Whisper air pump. Water quality is still excellent, and I think my fish enjoy the gentler movement of the water.
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