White Mold in Filter? - Aquarium Forum
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post #1 of 10 (permalink) Old 08-17-2008, 01:55 AM Thread Starter
 
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Exclamation White Mold in Filter?

:confused: I've had a persistent issue with my Whisper 30-60 power filter. I keep getting this fuzzy white mold inside (I think it's mold?!). The filter lid is vented to allow condensation to evaporate. I don't like to "scrub" the filter box, as it removes lots of beneficial bacteria. I don't know if I should be concerned or not, my 29 gal gold fishautolinker.com autolinking image tank is actually CRYSTAL CLEAR. In the past I have scrubbed it clean, but it always grows back, I think the only thing to kill mold is bleach, but that could be really bad for the wish, is there an acceptable low level of bleach I can use and rinse really well? I duno what to do, I can't find anyone else with the same issue... In all my years of fish, I have never had fuzzy white mold! Anyone have any ideas?
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post #2 of 10 (permalink) Old 08-17-2008, 09:05 AM
 
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Re: White Mold in Filter?

Will to bleach wsh things a 20% bleach to 80% water is the standard mix. and then dechor. everything really will. What are you feeding the fish, that the only thing I can come up with right now I think about it and if I come up with a better answer I repost. hope that helps.

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post #3 of 10 (permalink) Old 08-17-2008, 12:15 PM Thread Starter
 
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Re: White Mold in Filter?

Feeding just normal fish food, some flake (Wardley Essential Flake) (for the smaller fish), floating pellets for the bigger fish (Wardley goldfishautolinker.com autolinking image Floating Pellets), algae wafer for the sucker fish (Hikari Tropical Algae Wafer) - about 1/2 an algae wafer a day, occasional frozen blood worms as a treat (no more than once a week).

I don't know if it matters, but as mentioned before, the tank is always crystal clear, I can't remember the last time I cleaned the glass, I vacuum the gravel maybe once a month (no more often). I pretty much just change the filter cartridges on my Whisper 30-60 (the double waterfall one) - I do add extra carbon and zeolite to my falters. The filter is rated 30-60 gallons and I have a low-med bio load, so I think that's why the aquarium is always crystal clear. (I hope I'm not getting off topic here). The aquarium is well established, about 2+ years, and has never crashed. My gold fishautolinker.com autolinking image are actually about 3+ years old, I had a very small 35 gallon pond I could no longer keep, so I bought this tank about 2 years ago and transferred my fishies to this.

Thanks for the bleach tip, now I know I can do that and not be worried. I'll preserve the filter "Bio sponge" things in tank water while I do the cleaning, so they don't lose their good bacteria, and I'll clean the filter box using bleach. But I am still curious how the white mold ever started? and is it "bad"? (for me OR the fish!) Anything I can do to prevent it in the future?

Also tested the thank for everything yesterday, PH, ammonia, Nitrate, Nitrite, Salt - everything was good except for Nitrate was high (as always), and salt was just and tad high (corrected with my normal partial water change). They are "pond" fish so I do add pond salt (as they have always been accustomed to).
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post #4 of 10 (permalink) Old 08-17-2008, 01:06 PM
 
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Re: White Mold in Filter?

you have 4 goldfishautolinker.com autolinking image in this tank.......that all I could see in the picture, because if that is so than you are over feeding and the mold is been cause but all the extra food getting sucked up by the filter and then sticking to the lid, with constant water supply mold is growing..... When feeding your fish, you should only pput enough in for them to eat 90 percent in a few mins, with out leaving any large particles behind. That should be twice a day...... if you have slow eaters or bottom savengers than you might want to add some so they can find it. the flake foods have enough plant materails for you fish needs, and the bloodworm will help round out the diet.... I would stop the waffers, and just a few pellets every few days. IMO, you are over feeding and with your filter is doing a great job and the mold is caused buy the over feeding.

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post #5 of 10 (permalink) Old 08-17-2008, 01:35 PM Thread Starter
 
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Re: White Mold in Filter?

I'd have to disagree, I am definitely not over feeding the fish. All the food I give them is gobbled up within minutes, and they are very fast eaters - and I only feed once a day. I change the filter cartridges less than recommended because of how clean they are when I check them. If I was overfeeding I think other tank conditions would be evident (visual and test results). Food is not sticking to the lid of my filter. If a moldy filter box was a sign of over feeding, MANY more people would have moldy filters..
I may seem to be feeding a "wide variety" of food, but I feed very little of each - this is because the smaller fish can't eat the larger pellets.
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post #6 of 10 (permalink) Old 08-17-2008, 11:31 PM Thread Starter
 
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Re: White Mold in Filter?

Well, I think I am going to rinse everything in a watered down bleach solution, and I may even try some normal fish anti fungal medicine (low dose).... obvisouly it can't hurt the fish, and it may also help to prevent new mold break outs inside my filter!
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post #7 of 10 (permalink) Old 05-27-2011, 12:13 PM
 
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Re: White Mold in Filter?

Nex1, did you ever get this issue resolved?

I am having the same issue and need to know what you did and if it worked, please.
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post #8 of 10 (permalink) Old 09-05-2011, 04:27 PM
 
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Re: White Mold in Filter?

Hi! Just looked at your question regarding the white mold on your filter. I have a similar or the same problem with my tank. However the while mold alwasy seems to stay in the filter and the top of the water near the filter.

Good luck!
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post #9 of 10 (permalink) Old 01-11-2012, 04:24 PM
 
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Re: White Mold in Filter?

Quote:
Originally Posted by kflyMN View Post
Hi! Just looked at your question regarding the white mold on your filter. I have a similar or the same problem with my tank. However the while mold alwasy seems to stay in the filter and the top of the water near the filter.

Good luck!
Hi, I just now registered with this website so I am new to it. I read where you said you were having kind of the same problem as this one guy was having with the mold. Mine is growing like yours, it's at the very top of my filter (which is a 10 Gal tank) and I have also known it to grow underneath the lid of the tank. There's no food around the lid so I know it can't be that. I'm just wondering if you've come up with any answers? I'm fixing to call the pet shop and ask them to see what they tell me. I don't have a clue of what to do. Thanks...Lisa
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post #10 of 10 (permalink) Old 01-11-2012, 06:53 PM
 
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Re: White Mold in Filter?

Hello All!

My fish continue to grow and right now the white mold seems to have subsided but I haven't changed anything I've been doing. They still don't really appear to be effected by the previous mold. I doubt that I've done anything to make it go away but I do hope it stays away because it was disturbing! I'd be happy to hear if anyone finds any answers to this issue!

Thanks!
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