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Old 04-11-2014, 12:37 AM   #1
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Filtration question

I have a 50 gal. tank. I have a cascade 400 & 300,which are internan by Penn-Plax, also a Whisper Flow 5-20 so far. I do 20% water changes once a week, pond fish are dirty. Am I doing okay with my filters? I was going to add another cascade 400 in a week or so. What do you think?

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Old 04-11-2014, 12:42 AM   #2
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I meant the 400 & 300 were internal by PENN-PLAX.

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Old 04-11-2014, 10:37 AM   #3
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For a 50g I would suggest a minimum filtration flow rate of roughly 300gph, ideally you should shoot for a flow rate of 500gph. The internals you are using have a combined rate of 180 I am not familiar with your whisperflow however so will have to check its gph and see if the combined total will meet your needs.
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Old 04-11-2014, 10:44 AM   #4
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Tank Filtration

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Originally Posted by Stigmata View Post
I have a 50 gal. tank. I have a cascade 400 & 300,which are internan by Penn-Plax, also a Whisper Flow 5-20 so far. I do 20% water changes once a week, pond fish are dirty. Am I doing okay with my filters? I was going to add another cascade 400 in a week or so. What do you think?

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Hello Stig...

The filtration system doesn't really keep the tank water pure. It only takes in toxic water and returns the water a little less toxic. The water changes you perform is the real filtration. The water change removes the toxic water and replaces it with pure water.

Your filter system just needs a gallon per hour (gph) rating of 4 times the volume of the tank in gallons. So, if it has a 200 gph, this is enough to support the tank.

Larger tanks need larger water changes to be healthy. You need to remove and replace half the water every 2 weeks. Do this, and your fish and plants will be fine.

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Old 04-11-2014, 11:36 AM   #5
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With 4 Common Goldfish and a Pleco in a 50g I would recommend either a Canister and a large HOB or 2 HOBs. I'm not a fan of internal filters usually.

How big are the fish currently ?

I usually advise 50% PWCs weekly for Goldfish. They are quite messy.

Are your water tests showing safe levels of Ammonia and Nitrates ?

Can you post a pic of the tank ?

That's great you are adding filtration, but you may want to try a different one ?


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Old 04-11-2014, 12:02 PM   #6
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Something like this
AquaClear 110 HOB
http://www.amazon.com/gp/aw/d/B00026...&pi=SY200_QL40

For canister filters ? I own Eheim.
Eheims are solid filters and last for years. You can find them used.

Sunsun are a knockoff that seem to work just fine. I hear good things. eBay or Amazon carry them.

I think 1 or 2 filters designed for a 100g tank would handle your potential bioload better than a bunch of little filters AFAIK. I think it will save you a lot of hassle.

Do you have a pond for the Goldfish as they put on size ?

Spotted Pleco ? Is that a Sailfin ? They can hit about a foot and a half.
Will need a massive tank or heated pond later.

If you are enjoying the Goldfish you could switch to 3 Fancies once you move the pond fish out and the Pleco out. The Fancies should be alright in a 50g.

If you don't have one a Python Water Change System can really save you time and save your back

Enjoy your fish



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Old 04-11-2014, 11:48 PM   #7
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I want to try the Fluval internal. My fish are like my kids. I have a Fluval in my 10gal, where I keep my 2 Black/White skirted tetras, and it stays crystal clean. I not that experienced, but Fluval has shown its great performance to me.
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Old 04-11-2014, 11:53 PM   #8
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I have pictures in my profile of both of my tanks. Why don't you like internal filters? I would like to know cause I might be missing something friend! Thanks.
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Old 04-12-2014, 12:11 AM   #9
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Is it okay to use my vacuum every other day cause my goldfish and pleco are filthy, God Bless them. That ends up being close to a 20% water change after vacuuming the tank. Is that okay?
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Old 04-12-2014, 12:18 AM   #10
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Thanks for the feedback. Obviously you have been through the cycle and I appreciate your advice and foresight. I'm not that into fancy goldfish, but I'll make sure my next pick will stay comfy in a 50gal. My Respect & Regards,
Mike.
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