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Skimming....can you do it to much?

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David Winther

Active member
Joined
Jul 1, 2003
Messages
37
Location
Oak Harbor, WA
I was wondering if you can "overskim" your tank. I have my skimmer running full speed and was curious if I can over do the skimming amount. How do you know if you are skimming the proper amount/level and what are signs that you are "over" skimming?

Thanks!

-Dave
 

mojoreef

Reef Keeper
Joined
Jul 5, 2003
Messages
7,530
Location
Sumner
David I dont think you can over skim. The skimmer removes particles that ride up the skimmer on bubbles. If thier is nothing to skim in the tank the bubbles will just not have anything on them.

Mike
 

northstaraquatics

The Lone Reefer
Joined
Jun 30, 2003
Messages
232
Location
Bellingham, Wa
It depends on who you ask. Many will say "Yes, you can remove important trace elements." Others like Mike don't think you can over skim - as in you reach a point where input and output are equalled out. I would suggest if you skim heavily do frequent (weekly) water changes. Also the term "over skim" has as many meanings as does too much light or water movement. It all depends on your bio load, feeding, reef type, ...

Jon
 

doug onion

Well-known member
Joined
Jun 4, 2012
Messages
52
Location
Wisconsin
Quick add on after water changes my skimmer removes lots of water. It always does was wondering if this is normal? I shut everything down when I do my changes and then it just takes maybe a gal. I do about 20 gals, weekly on my 90 and premix my instant ocean over night. After the initial take the skimmer goes back to normal, Its a urchin pro. I don't know I do stir the tank up when i do my change so is that the culprit? Should I be more careful when I do my water changes? Thanx everyone I'll try checkin back soon so be patient if it takes me awhile to get back.
 

NanaReefer

Well-known member
Joined
Jul 13, 2011
Messages
2,076
Location
U.P. of Michigan
Seems to be a popular topic as there are several related threads going on :)
I run the RO BH-1000 on my lil 26. I've only 2 fish but lots of coral. So I guess you could say I have a low bio-load. But...I feed nothing but frozen foods 2x daily for the sole purpose of my Scooter Dragonet. I also feed several Reef Nutrition products 2-3x a week. Honestly I am so grateful for this skimmer! 4 out of 7 days its pulls major nasties that would otherwise cause me major algae issues. The other 4 days its pretty clean...just the way I like it. If anything this large skimmer allows me to feed my fish & corals the way they are meant to be fed, often! :)


Sent from my iPhone 4s using Tapatalk
 
Last edited:

tat2z_21

tat2z_21
Joined
Jan 6, 2008
Messages
1,963
Location
Gilbert, AZ
Quick add on after water changes my skimmer removes lots of water. It always does was wondering if this is normal? I shut everything down when I do my changes and then it just takes maybe a gal. I do about 20 gals, weekly on my 90 and premix my instant ocean over night. After the initial take the skimmer goes back to normal, Its a urchin pro. I don't know I do stir the tank up when i do my change so is that the culprit? Should I be more careful when I do my water changes? Thanx everyone I'll try checkin back soon so be patient if it takes me awhile to get back.
I would make sure that when you are changing the water, the water level where the skimmer is will adjust, changing the height of the water column inside the skimmer body as well. Even an inch can give you this result if you have your level of water too high or right on the verge.
 

Terrance

Well-known member
Joined
Jun 20, 2012
Messages
106
Location
Renton, WA
I think it would be hard to overskim a tank. Too much would be a skimmer rated for 400-600g skimmer on a tank with 15g of water.
 

doug onion

Well-known member
Joined
Jun 4, 2012
Messages
52
Location
Wisconsin
Thanks, I thought it was alright since I haven't had other issues other then annoying watching to make sure it does not fill my overflow. I will look to see if my skimmer level changes during the changes. I couldn't find a thread on it so i added it to this one. Thank you again!!
 
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