I am not familiar with canister filters because i use the oldschool hangons.
Marine aquarium water suddenly cloudy.
If you ve just set up your aquarium and added water there is usually a slight cloudiness to the water.
Instead it appears days weeks or even months later.
Natural sand gravel and dolomite can be dusty and cause murky water.
Normally called substrates sand and gravel are pre washed before being bagged up for sale.
Cloudy aquarium water sudden cloudy water.
Suddenly cloudy water its just a guess but it may be an algae bloom.
Often cloudy water doesn t appear the instant an aquarium is set up.
As long as everyone is okay.
Whenever we see green cloudy water in your aquarium it definitely means one thing excessive floating algae growth.
Do a partial water change no more than 25 and see if that helps a little.
Worst aquarium scenario like the death of fishes caused by algae could accumulate to cause cloudier water.
This is caused by residual dust on the gravel.
In worst cases your fishes may not survive.
Too much light like most aquatic plants light encourages growth.
However it s completely impossible to remove 100 of dirt from the substrate so it s inevitable that it s going to get into your aquarium.
As the new aquarium goes through the initial break in cycle it is not unusual for the water to become cloudy or at least a little hazy.
Cloudy aquarium water can be caused by a number of things including micro bubbles an algae bloom a sand storm due to high flow in the display calcium precipitation coral spawning or a bacterial bloom.
Colored or epoxy coated gravel are usually very clean.
Sometimes the reasons why your tank went from fish heaven to fish apocalypse may be as clouded as the tank water itself.
Give it a few days.
This is usually caused by the aquarium being exposed to direct sunlight or leaving the aquarium lights on for too long.
The cause is usually due to bacterial bloom.
I recently had to tackle this issue with my new 187 gallon reef tank so i went through this list systematically to diagnose the problem.
If the cloudiness is from microorganisms and it lasts a long time some people will add a uv filter at least temporarily to help clear the water.
Cloudy water could also be a bloom in algae.
The most common cause of cloudy aquarium water is dust and debris contained in sand or gravel.
With the increased growth of algae in your aquarium water your water becomes cloudy.
See if it doesnt clear up.
