Bio- filter questions

I just set up a bio filter for my ray tank and have a couple questions for the
mfk-ers that have been doing this for awhile.
First: I designed my reactor with a drain on the bottom, so I can drain out dead bacteria.
How often should be necessary?
I'm using a big blue barrel so I can't see inside.

Second: I'm using a meg7 inside reactor for circulation, but how much flow through reactor is best?
Lots of flow? Or
Little flow?
Right now I only have about 400 gals/hr.
Running through it..

I'm using 1 cu/ft of ultima media now and planning on adding another in a couple weeks.

Any insight or opinion would be great.
Thanks.

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Does anyone want to talk bio filter?

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That's cool. Thanks for the info.
Just wanted to be sure.
At least now I have a nice drain on this 55 gal. drum..

I'm even using a pre filter before entering reactor.

Do you advice using more than 2 cu/ ft.
Or should I just keep checking perms?
I've never had any ammonia or nitrite problems. I just felt like it wouldn't hurt.

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Here's what mine looks like.
I've only had it running since Saturday afternoon.

The one thing I did notice is, with reactor, I notice a little more smell in the room.
Is this normal?

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What is the most efficient with the most air flow pump?
I need something to run my bio reactor and tanks.
But also something that won't kill my electric bill

Could anyone help me out?

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AP100. did the trick.
Plenty of air for what I need it for.
Now I can even add a couple more bigger air stones to my reactor.

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I've been using the bottom drain on my reactor once a week. And every week, I drain out a good gallon worth of crap.

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