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Problem: Last night our tank was crystal clear. But this morning the tank is horribly cloudy!

Ph: 7.4

Ammonia: 0

Nitrate: ~10

Nitrite: 0

Gh: 7

Kh: 3

Size of tank: 300L, 3x2x2

Temperature °C: 25 (ranges between 25-26)

Been running for: 7 months

Filtration: Canister Aqua One Aquis 1250, Sponges, Filter Floss, and Loads of Ceramic Media

Fish in tank: 1x Dwarf Gourami, 4x Glass Catfish, 6x Black Phantom Tetra, 1x Bristle Nose (7cm), 1x Female Betta, 2x Reticulate (YoYo Loaches)

Plants in Tank: Swords, Cryps, Ech, Java Fern, Java Moss, Fontanalis, Lillaeopsis, Hygophilia, Anubus Nana, Anbus Nana Petite, Wisteria

Feeding: Sinking Granules, Sinking Algae Wafers, Sinking Loach Wafers,

Recent Medication Treatments: Small ammounts of IAL, 1/4 dose of Melafix/Primafix every third day for about 1 week, starting two weeks ago and ending 1 week ago

Last water change: 15/09/13 - Last Saturday

Water change every Weekly About 40L



In reality the colour of the cloudiness is more yellow/brown/orange

Lately we have had a sickness in the tank and over the last week we have been slowly dropping the temperature back to normal. (Stopped turning it down two days ago)

Also on Sunday I added 4 Small Dinodung Tablets to the substrate near the larger root feeders

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We pushed them down as far as we could so they should be about 1cm bellow the surface. There was one I was uncertain about because I couldn't physically see where I crammed it so maybe it wasn't so deep and a loaches exposed it.

Since escaping the tank we have almost stopped dosing fertilizers (about once every second or third week) and when we do we ususaly do it about 4 hours before the lights go out.

There was a fine powder covering everything in the tank. Could be clay I guess. I sucked up as much a possible today when I did a waster change to try and reduce it.

When we add the algae wafers we only add about 4. One disappears before it hits the bottom though.. Our Gourami has an obsession for anything algae based. And when we do we reduce the normal sinking granules so try and level it out. Also the fish were not fed last night so I don't think its a food thing

If it is because a tablet has been exposed what should I do to try and remedy it? Will it clear on its own?

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The bristlenose and loaches are prob the only fish needing/wanting waffers. 4 is too many. Hbh tabs will disintegrate and make the water cloudy, I've found OSI just xpand in the area, but then again the fish are going to spread it around anyway. I don't know what the wardley's like or some of the others. Another thing to remember is that a fishes stomach is about the size of its eye. So don't be tempted to overfeed

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Dinodung is clay based, so if its been exposed it could be the culprit.

Just a checklist.......

the filters are cycled?

The filters media has not been recently cleaned with tapwater?

As to what to do, I'd do nothing.

Let the clay settle, keep track of ammonia levels.

Plants love clay but using it you experience the odd bit of clouding after disturbing it.

It settles out in the end, and when it does it drags all sorts of crap out of the water with it.

If you were emotional, or tank has to always be spotless, you can wrap some fine mech filtration pads around a powerhead.

And that would clear it in minutes, espec if you add a few drops of a flocculant like accuclear.

But if its not an aesthetic emergency...... I'd just kick back and wait for it to clear up.

Think about it like a remake of the hit movie "fishys in the mist".

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I like the fishes in the mist comment.......thx donny haha.....but serious maybe the melodic/primafix is the problem ...I have used praziquantel on my tropical tank after 3 days overnight cloudiness happening ....I haven't checked this with donny but maybe medications do some thing with the bacteria in the water column...just a hunch.

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Sorry for responding on this account but he is out at the moment.

Filter is cycled for months and months. Since March

Never EVER rinse/clean filter in tapwater, occassional rinse in tank water during a water change but not for at least 2 weeks.

We did a water change this morning and since have just left it. Will do another run of tests and watch it until the dust settles then maybe vacuum it up. But We aren't overly worried now.

Also ThatsRight99 we have a gourami who likes to eat the sinking wafers (They are omnivorous wafers) he is weird and seems to think he is a bottom feeder the black phantom tetras are similar and will eat off the ground as much if not more as floating food.

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Prazi?? I don't even know what prazi is?

Our filtration turn over is 720LpH upto 1400Lph based on the sticker on the filter.

We suspect a tablet got exposed as the water is looking pretty clear right now.

At this stage were thinking about some female pearl gourami a as well but at this stage we don't know. Possibly more phantoms.

When we feed the wafers we only do it every third or fourth day and they do not last long at all. So we figured it was fine.

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It was for drarcon. Prazi is praziquantral a worming medication. That filtration will do that tank 2 or 3 x's/hr. Has the tank cleared up yet? You may need another filter with Micron sized filter material to strain that fine muck( if it does it again) and for later too

Edited by thatsright99
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