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Cloudy water after water change

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Cloudy water after water change

Post by Starfish on Wed Oct 02, 2013 5:39 pm

Does anyone have any idea why my aquariums go cloudy after a water change? Usually it is back to clear after 24 hours. Today I did a 25% change on my 75g and cleaned the filter. Now the water is extremely cloudy. I let the water age for at least 24 hours before it goes in my tank, except that I was 4 gallons short so used water direct from the tap (with conditioner). I use Big Al's multi-purpose water conditioner. Is the cloudiness bad for my fish?
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Re: Cloudy water after water change

Post by the clean guy on Wed Oct 02, 2013 5:49 pm

Cloudy water after a water change can happen; the cloudiness is often the result of dissolved organic compounds in the water. A bacteria bloom occurs resulting in the cloudy water. It should clear up in a day
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Re: Cloudy water after water change

Post by Biulu on Wed Oct 02, 2013 6:54 pm

I always get cloudy water when I do a water change in my sand substrate tank. It doesn't matter how careful I am, there are always particles flying up in the water, making it cloudy....
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Re: Cloudy water after water change

Post by Starfish on Wed Oct 02, 2013 7:56 pm

My tank is gravel, so I can't blame it on sand. scratch 
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Re: Cloudy water after water change

Post by Shell on Wed Oct 02, 2013 8:55 pm

Interesting topic. When I change the water in the 55 gallon, which has river stones, I never have any cloudiness. When I change the 5.5 gallon, however, which has plant substrate, I always get a bit of cloudiness. And, again, whenever we change the 220 gallon, which has sand, we always get a lot of cloudiness. The weird thing is, with the 10 gallon, which also has sand, though a softer sand than the 220, it never seems to get cloudy?!

I have never really worried about it, it does not seem to bother the fish, and it always clears up in no time. I always just assumed it had to do with distrubing the substrate, and the total make-up of the substrate (maybe some types of substrate hold in more gunk than others which gets released with the pressure of a WC?!)...likely a lot of stuff in there just waiting to 'swim' out!  Now that it has been brought up,  I do wonder what the real reason is for cloudiness versus no cloudiness!

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-220g home to 9 gold barbs, 10 denison barbs, & 3 weather loaches
-55g home to 12 black skirt tetras
-55g home to 1 angelfish, 5 kuhli loaches, & 4 zebra loaches
-36g home to 15 zoogoneticus tequila
-10g home to 2 zoogoneticus tequila
-10g home to 1 panda cory
-10g home to 1 zebra nerite, 1 onion nerite, 1 leopard ramshorn, & 2 mosquitofish
-5g home to 1 female betta fish
-3.5g home to several leopard ramshorn snails
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Re: Cloudy water after water change

Post by Starfish on Thu Oct 03, 2013 3:53 pm

Well my tank is clear again today. All occupants look fine. I don't know why it does this. I just have to make sure I clean the tank at least a day ahead if we are having visitors. Can't have a cloudy tank on display.
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Re: Cloudy water after water change

Post by alexmtl on Thu Oct 03, 2013 4:00 pm

I had the same problem with cloudy water when I changed the water in my tanks, many years ago. I bought a diatom filter to "polish" the water. This was a hyper fast and very turbulent filter, but it cleared the water in no time. It seemed traumatic for the fish though, especially in the smaller sized tanks. I do miss my diatom and wish I had not discarded it along with so many Aquaclears, years ago. You can get "water polishing" out of some of the canisters now, but I remember the diatom so well.
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Re: Cloudy water after water change

Post by Sbenson11 on Thu Oct 03, 2013 4:38 pm

@alexmtl wrote:I had the same problem with cloudy water when I changed the water in my tanks, many years ago. I bought a diatom filter to "polish" the water. This was a hyper fast and very turbulent filter, but it cleared the water in no time. It seemed traumatic for the fish though, especially in the smaller sized tanks. I do miss my diatom and wish I had not discarded it along with so many Aquaclears, years ago. You can get "water polishing" out of some of the canisters now, but I remember the diatom so well.
I remember those as well, did a great job.

Actually I saw one of those old glass ones on kijiji recently and almost picked it up.

Steve
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Re: Cloudy water after water change

Post by mikebike on Fri Oct 04, 2013 10:41 am

I have AquaClear HOB filters on most of my smaller -50 gallon tanks.

I pull the filter and add filter floss/polyester pillow filler to the HOB and in a couple of hours I can see an improvemnent.

IHTH
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Re: Cloudy water after water change

Post by Starfish on Fri Oct 04, 2013 11:28 am

@mikebike wrote:I have AquaClear HOB filters on most of my smaller -50 gallon tanks.

I pull the filter and add filter floss/polyester pillow filler to the HOB and in a couple of hours I can see an improvemnent.

IHTH
I have an AC HOB on my 29g and a Fluval canister on my 75g. I use the pillow filler in my canister. However, both tanks are cloudy for a day after a water change. Seems the more water I change out, the cloudier they will be.
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