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Over Filtration?

This is a discussion on Over Filtration? within the Freshwater Aquarium Equipment forums, part of the Beginner Freshwater Aquarium category; --> One must remember that filters are only effective up to a point. Water changes are often far more beneficial becausing you are removing stuff ...

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Old 01-17-2012, 06:14 PM   #11
 
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One must remember that filters are only effective up to a point. Water changes are often far more beneficial becausing you are removing stuff that filters cannot, plus introducing fresh water.
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Old 01-17-2012, 10:12 PM   #12
 
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Quote:
Originally Posted by Ridewithme38 View Post
I have a TopFin 30 Filter, a AquaClear 500(110), a 4" 20ppm Sponge filter and a 3" 40ppm Sponge filter on my 29 Gallon tank...
Even with that heavy bioload (ok, mama cass sized bio load) I would think that AC110 would be sufficient, but im just one more addict. 10 filters or 1 filter, they still need maintenance and, as byron said, water changes are big.
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Old 01-18-2012, 04:48 PM   #13
 
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Like j dizzel, I began using air-driven block foam filters in all my tanks. I eliminated my canister filters and the air pump(s). The fish are just fine.

As has been pointed out, the real secret are the water changes: I do mine weekly. I am planning on purchasing that aquarium gravel vac by ye ancient mariner as soon as it becomes available and using that to not only pump the water out, but to filter the phnuk that is invariably left behind.
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Old 01-19-2012, 12:28 AM   #14
 
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One must remember that filters are only effective up to a point. Water changes are often far more beneficial becausing you are removing stuff that filters cannot, plus introducing fresh water.
I do a 15 gallon water change every sunday...I think i could cut this down to 10 gallons if i could figure out plants that are easy to care for, high nitrite suckers and goldfish don't destroy...But as this point, i think thats a little beyond my skill level
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Old 01-19-2012, 10:00 PM   #15
 
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hey if i can train my dog not to kick me out of bed, then you can train your goldfish to leave your plants alone

would the goldfish otherwise bother javamoss that was tied down to something really well?
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Old 01-19-2012, 10:56 PM   #16
 
Can i just say....Aquabid is evil....I'm going to need to buy a bigger tank...i think i just bought another goldfish!

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Old 01-20-2012, 12:01 PM   #17
 
It's amazing how much water filtration is misunderstood. I'll refrain from harping on the silly 4-10 times water flow through the filter notion for a moment to focus on what happens to detritus in the filter...
Hobbyists buy into the notion they need all sorts of water flow to get that fish/plant waste into the filter. Powerful (sometimes multiple) filters and power heads...Out of sight, out of mind.
But what happens to that waste in the filter. All that waste and highly oxygenated water creates a buffet for decomposition bacteria to work overtime to break down that solid waste. With the high water flow, like compost tea, much of the slurry becomes suspended in solution and the dirty water gets pumped right back into the tank. Now if it's a heavily planted tank, the plants would use this (but then the plants would also use decomposed detritus in the upper layers of the substrate) otherwise, it's just dirty water that fish have to live in!
Enter the (weekly) water change - far more than just nitrate removal.

So, in conclusion, it is far better to let detritus (mulm) settle on the substrate where it will slowly, naturally decompose and optionally be removed with the weekly water change/gravel vacuum. Let the far less powerful filter just filter the water column without creating a torrent to collect every scrap of waste.
In a heavily planted tank, little if any external filtration is required - rather we just need gentle water flow for circulation (which is why we hear how well a modest sponge filter works in the planted tank).

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