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Bacterial Bloom?


beautylovetruth
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this is likely an algea, but we would need much more information to help you.

1.How long has this tank been running?

2.What are the water perameters? (ph, temp, municipal water - well water, any new additions (plant or animal)

3.What light / co2 do you run and how many hours of each a day

the more specific you are, the better we can help you.

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I guess we'll see if this can be figured out.

1) Tank has been running for about 4 weeks (started October 29)

2) Temp stays around 27oC without a heater (my apartment is warm), municipal Edmonton water, have 5 pristella, 5 red phantom and one ivory mystery snail in there. Tetras were added about a week into cycling and snail was added just a week ago.

3) Lights are typical fluorescent bulbs as I have no live plants. Generally on from 5 am - 9 pm

4)Water Parameters as of right now:

pH=8.0

Ammonia= 0.5 ppm

Nitrite= 2-5ppm

Nitrate=40-80ppm

I'm going to be doing a 50% WC pretty soon, these parameters are not healthy. Will let you know what they are after the change.

Edited by beautylovetruth
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Something has happened to your cycle - there should be no readable ammonia or nitrite. What kind of filter are you using? If it is one of those filters that have replacible cartridges, you're removing your biomedia every time you replace them. For those types of filters, I usually fill the filter chamber with scrubbies and put a sponge over the intake. The sponge can be rinsed under the tap any time, as it just acts as mechanical filtration. Never rinse the biomedia under the tap.

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Jvision is on to something with the "stop wiping out your bacteria colony"

I would also say that having the light on that long is not helping you at all. Anything over 8 hours on in a day will contribute to algea growth. 8 hours is plenty for your plants to be healthy. Hope that helps

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Jvision - I'm using a AquaClear 30 and have not rinsed, replaced or even moved the filter since the tank has been set up. Possibly the water changes are replacing the water in that chamber and removing the bacteria?

cullymoto - I was kinda thinking that was what was happening but wasn't sure how to fix it. I'll be putting my lights on a timer since I do like to at least see my fish and sometimes my days are long (12-13 hours).

So the big question: I've done a 50% water change and now what is my next course of action?

Edited by beautylovetruth
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Your lights don't need to be on continuously. Even my planted tanks have a broken light cycle. My timers are set to give 12hrs of light with at least a 2hr break in the middle. One tank has two 2hr breaks.

With just fish in the tank, I'd just turn the lights on when I was home - ambient light is good enough during the day

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I would stay with your current W/C program, but deff. reduce feedingsif it is algea, your fish will eat it up once they get hungry. an idea to help reduce on the algea's food is to go get yourself a marimo moss ball. they are cool, and out-compete algea for nutrients. also they have no roots so you dont plant them. they are around $8 and nearly indestructable.

When your doing your maintenence take some paper towel and wipe down every surface you can. throw the paper towel away once it gets too nasty and this will help to quickly rid your tank of algea.

Another idea is to go find yourself an amano shrimp (algea eating shrimp) these guys are worth their weight in gold and are around the 5 dollar mark. .... my discus think all shrimps are food, otherwise i would have several of these guys.

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  • 2 weeks later...

So I've been staying with the 50% WC, no media changes program.

Here are my readings for tonight:

readingsdec6.jpg

Uploaded with ImageShack.us

Am I reading these correctly? I'm reading 0.25 for ammonia, 2/5 for nitrite and 5-10 for nitrates.

These readings have been similar for about a week. Thoughts?

Edited by beautylovetruth
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i re-read the whole post.

I dont think your tank is cycled. your experiencing the middle stage of the ammonia cycle.

organic matter + water = ammonia

amonia in water + time = nitrite

nitrite in water + time = nitrate.

I think your in the middle stage there, it is a bit wierd to see nitrate that high if i am correct perhaps its coming in with your tap water.

A dose of "seachem prime, or seachem safe" will take your water parameters down to 0 - 0 - 0 without a water change. another thought is that if you are not using a de-chlorinator (such as safe - prime) you will never be able to have a BB colony grow since the chlorimine in the water is killing it off.

I dont know if you use it, but a suggestion is to start dosing a cycle additive. products such as

"nutrafin cycle" or "big al's bio support" etc etc etc. any product containing live nitrifying bacteria is what you should be after. This stuff is a necessity for starting out a new tank, and your tank is new.

Hope that helps

Edited by cullymoto
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Thanks guys! I've been using Top Fin Water Conditioner with every water change but perhaps I'm not putting in enough? I've been following the instructions to a T on that bottle and stopped adding the bacterial supplement. I'll test my tap water tonight (I'm in Edmonton and I know we have a habit of adding more chemicals to our water during the winter due to runoff, etc) and add a little more dechorlinator. Thank you again for your help!

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How about testing your tap water? Does it read 0-0-0? Add your water conditioner to the tap water and test again. Does it read 0-0-0? If not, throw away your water conditioner.

Cullymoto is right that you are mid cycle, but it looks like your cycling takes abnormally long time. It should not take longer than 4 weeks, usually less than that. And you've been doing it since October, right? Something is slowing your filter bio filtering. Can it be that the tap water has excessive level of chlorine/chloramine or you do not add enough conditioner, or the conditioner does not bind chlorine quickly enough, in which case chlorine suppresses your filter maturing? Aging water for a couple of days in an open bin would resolve this.

On a side note: adding Prime will NOT remove ammonia or nitrite. It will convert them into a less toxic form. However your test kit will still detect such converted ammonia and nitrite. Do not expect to see anything different from what you see before adding Prime.

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