Filter issue?

letssetup

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In my 40l tank I have a Aqua-flow 200, this filter is for a 100l-200l tank.

Recently I've been doing a lot of water changes to sort out amonia, NO3, NO2 etc that I've mange to get sorted.

It was about 4 days ago I did a water change and my tank already looks like unclear water, kind of foggy.

I've added a picture, but isn't really doing it justice to how I'm seeing it.
IMG_20200820_202449.jpg


The filter is working, so I'm confused why it's getting so unclear this quick, any idea?
 
Foggy water usually indicates a bacteria bloom.

Are there any dead/decaying plants?

Preform a water changes and remove any uneaten food - make sure to clean the gravel as well.
 
Remind us, how long has the tank been set up?

Cloudiness can occur for a few reasons.

Dust from the substrate if that was disturbed during a water change, though that usually settles quickly.
Bacterial bloom. This is common in new tanks which is why I asked how long it had been set up. If a lot of organic stuff (fish poop, uneaten food) was disturbed from the substrate during a water change it can also trigger a bacterial bloom. These are caused by a different type of bacteria from those we grow during cycling. They feed on organic matter and miltiply very quickly. They live free in the water and we see them as the bloom.
Algae blooms are usually green but can be white. Caused my unicellular algae floating in the water. With these, the cause of the bloom needs to be rectified.

As a side note, you filter delivers 200 to 400 litres per hour turnover. On a 40 litre tank, that's 5 to 10 times the tank volume per hour. if the flow rate can be turned down I suggest you run it on the minimum setting as 10 times per hour would be like a whirlpool to the fish.
 
Foggy water usually indicates a bacteria bloom.

Are there any dead/decaying plants?

Preform a water changes and remove any uneaten food - make sure to clean the gravel as well.
All the plants look good too me, but I'm still new too plants in a tank.

I've got a topic going on with web like stuff that I've been told is Algee https://www.fishforums.net/threads/spider-web-like-substance.462620/

I've done water changes daily for a while now, even taken water sample too aquarium shop when I went to make sure it's all fine.
 
Remind us, how long has the tank been set up?

Cloudiness can occur for a few reasons.

Dust from the substrate if that was disturbed during a water change, though that usually settles quickly.
Bacterial bloom. This is common in new tanks which is why I asked how long it had been set up. If a lot of organic stuff (fish poop, uneaten food) was disturbed from the substrate during a water change it can also trigger a bacterial bloom. These are caused by a different type of bacteria from those we grow during cycling. They feed on organic matter and miltiply very quickly. They live free in the water and we see them as the bloom.
Algae blooms are usually green but can be white. Caused my unicellular algae floating in the water. With these, the cause of the bloom needs to be rectified.

As a side note, you filter delivers 200 to 400 litres per hour turnover. On a 40 litre tank, that's 5 to 10 times the tank volume per hour. if the flow rate can be turned down I suggest you run it on the minimum setting as 10 times per hour would be like a whirlpool to the fish.

It's been setup about a month or just under now.

I'll turn it down now.

Feels like a never ending battle with this tank :(
 
This filter has a sponge with a hollow core filled with carbon doesn't it? You could try emptying the carbon and filling the hole with filter wool. That's supposed to trap fine particles. You don't need to use carbon full time, only when removing medication after treatment has finished.
it shouldn't be a bacterial bloom after that length of time, unless you disturbed a lot of debris during the water change.
 
This filter has a sponge with a hollow core filled with carbon doesn't it? You could try emptying the carbon and filling the hole with filter wool. That's supposed to trap fine particles. You don't need to use carbon full time, only when removing medication after treatment has finished.
it shouldn't be a bacterial bloom after that length of time, unless you disturbed a lot of debris during the water change.

I'll get some orded.
 
So, I've done a 75% water change again and it's looking good.

I'm going to give it a couple of days and then do water test and post on here incase something is wrong.

I also removed the green Algee of plants best I could.
IMG_20200821_171209.jpg
 

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