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Old 28-04-2015, 01:24 AM   #1
tommyn
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Default WC frequency in sump tank

What is your frequency & volume of WC for a tank running on sump?

Do you WC because test kits show undesirable results or water quality looks bad or aro behaving abnormal?

Reason I'm asking is tank has been running almost 2weeks. Water looks clear, no odour. Test kit results are consistent and aro is actively roaming at top and mid. Appetite has improved tremendously compared to when running on canister.

Kindly share your routine and comments?
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Old 28-04-2015, 08:59 AM   #2
Dave57

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what are the occupants in your tank? what are the sizes of your tank and sump?
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Old 28-04-2015, 10:20 AM   #3
user134679
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There's no hard and fast rule.

Feed more, WC more.
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Old 28-04-2015, 03:52 PM   #4
tommyn
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1x 9" xb
1x 3.5" FF
2x 3-4" TFB
2x 4" bichirs
4x 3-4" ID

Main tank is 5ft while sump is 3ft. Thanks
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Old 28-04-2015, 04:08 PM   #5
beepoobee
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5x2x2?

agree on feed more wc more. esp. feed mp... wah water dirty very fast.
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Old 28-04-2015, 05:39 PM   #6
patclay
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For me it is still about twice a week, 30% wc if I can. If not I will push to a week max. Never go beyond a week. If I have to go overseas for outstation for at least one or two weeks, then ask maid to feed twice a week for maintenance.
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Old 28-04-2015, 08:09 PM   #7
millenium
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Quote:
Originally Posted by patclay View Post
For me it is still about twice a week, 30% wc if I can. If not I will push to a week max. Never go beyond a week. If I have to go overseas for outstation for at least one or two weeks, then ask maid to feed twice a week for maintenance.
What fishes r in the tank?
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Old 29-04-2015, 04:48 AM   #8
kepala sakit
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Imo. I think the feed, the bio load generated, mechanical filtration, bio medias, the flow rate, the design sump and the lay out (medias) all of which will effect the quality of recycling water...The WC regime/frequency is very much dependent on the accumulation and the level for nitrate tolerated.
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Old 29-04-2015, 05:00 AM   #9
kepala sakit
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Quote:
Originally Posted by user134679 View Post
There's no hard and fast rule.

Feed more, WC more.
I think. There's a possibility of a re written (your so call hard n fast rule) if the fresh water skimming is make possible.
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Old 29-04-2015, 09:04 AM   #10
desmondpeh
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Quote:
Originally Posted by tommyn View Post
1x 9" xb
1x 3.5" FF
2x 3-4" TFB
2x 4" bichirs
4x 3-4" ID

Main tank is 5ft while sump is 3ft. Thanks
Hi bro,

Now for your current tank size and sump setup, it should be able to last your fishes for 2 to 3 weeks (if don't overfeed) as I see they are still at juvenile stage. However, I will recommend at least once a week wc of 40%. Keep the weekly wc habit going and your fishes will grow up healthier and faster.
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