How to obtain clear water

Sleeping Giant

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But would the 3 watt UV be sufficient for your system?
That one is only for the 06 & 07 smaller canisters, I'm not sure what the FX version will have, possibly larger wattage, I would think. They're not released yet, but when they are I'm sure I'll be getting one.
 

Stigigemla

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Its a tank in cycling.
The much to high nitrate you have measured supports that because the tests show much to high value when nitrite appears. The measured nitrate value will go down when the nitrite will get lower.
The clouding looks like being bacterical. You could by a nitrite test to have a closer look on the value but when the measured nitrate value goes down it will be because less nitrite.

There are 4 things You can do.

1. Reduce feeding to 20% of what You feed today. The fish will do good for a while with less food and it will be much less nutrition for the bacteria.

2. Add more live rock. Live rock not dead. That gives bacteria more surface to settle on. Dont clean side and back windows for a few days. Thats bacterial settlement area too. Real live rock has much more porousity than rock mined on land. 10% of the water volume is the optimum for most tanks.
I know there are many tanks with less stone and dead stone but they are more difficult to keep in balance.
You are a beginner now not an expert. You will learn more and more so maybe You will be one in the future.

3. Make a 20% water change to get the phosphate value down. 0,12 is not a very high value for a small tank. Its just a high value that can be lowered with some waterchanges.

4. Wait. Dont add anything new to the tank. Dont add UVC. It will slow down Your cycling.
 

atoll

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Easiest, quickest and cheapest way to clear water use an Oxydator with other benefits.
 

Nanorock1970

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Its a tank in cycling.
The much to high nitrate you have measured supports that because the tests show much to high value when nitrite appears. The measured nitrate value will go down when the nitrite will get lower.
The clouding looks like being bacterical. You could by a nitrite test to have a closer look on the value but when the measured nitrate value goes down it will be because less nitrite.

There are 4 things You can do.

1. Reduce feeding to 20% of what You feed today. The fish will do good for a while with less food and it will be much less nutrition for the bacteria.

2. Add more live rock. Live rock not dead. That gives bacteria more surface to settle on. Dont clean side and back windows for a few days. Thats bacterial settlement area too. Real live rock has much more porousity than rock mined on land. 10% of the water volume is the optimum for most tanks.
I know there are many tanks with less stone and dead stone but they are more difficult to keep in balance.
You are a beginner now not an expert. You will learn more and more so maybe You will be one in the future.

3. Make a 20% water change to get the phosphate value down. 0,12 is not a very high value for a small tank. Its just a high value that can be lowered with some waterchanges.

4. Wait. Dont add anything new to the tank. Dont add UVC. It will slow down Your cycling.

@CoolLibs New tank, #4 wait it out and #1 reduce the food. You already have carbon going so I would not add a UVC at this point in time. Sometimes less is more and patience is much needed for this hobby. Rushing to change water parameters by chasing numbers, Adding to many fish at once, and not allowing the tank to naturally cycle up. Just hurry up and wait, the tank will clear.
 
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