Which filter is good for discus fish?

Written by allan on . Posted in Aquarium Tank, Water and Filtration

Reply:

All filters are actually good for discus fish.
No filter is specific only for discus fish.

Filters are used for filtering water to adjust the water quality to suit the discus fish.
Small quantity water needs smaller filter but if water is dirty it needs bigger filters.

If you want live plants to decorate the tank, you will put gravels to grow the plants on it so you need under-gravel filter.

There are many different types of filters. You will pick one that will serve your purpose.

RO water for discus or not?

Written by allan on . Posted in Water and Filtration

I am interested in getting into a discus tank, and I was curious is it necessarily to use RO water? or can I use my tap water? I have been doing some reading on freshwater fish and they say
its good to use tap water for freshwater. Also what is recommended to use for fliteration on a 90g discus tank?

Reply:
We are using direct tap water in our farms.
It is dangerous to use it but it is best for the fish.
It is free from parasites and bacteria.

What you need is the Chlorine Tester and Chlorine Conditioner. (Hypo) Check the content of Chlorine in the incoming water then apply the Chlorine Conditioner accordingly.

Fish need some kind of minerals in the water.
RO water no doubt is clean but lack of minerals.

GH & water softening

Written by allan on . Posted in Water and Filtration

You stated in an earlier post that you use tap water & recommended against using peat. Do you use anything to soften the water & lower general hardness ( calcium & magnesium ) ? What is your opinion on the water softening pillow ( soaks up calcium & magnesium ions & replaces with sodium ions. Thank you for sharing your experience & knowledge.

Reply:
The discus fish can tolerate from pH 5.0 to 8.0
If the fish can live happily why do we want to lower the pH?

Unless for some purposes like breeding when the fish needs to be in that condition then we need to adjust it.

In our location in Malaysia we are lucky that the pH is around 6.0 to 7.0.
Practically we do not worry much about the pH. Only if we want to breed the wild strain we need to lower pH to 5.6

To lower the pH in natural way, soak some dry leaves to make water acidic to soften the water. Peat moss and softening pillow can help.

Water Change and % Siphoning

Written by allan on . Posted in Aquarium Tank, Water and Filtration

I feed my discus 3 times a day and the amount of water change I can do is 30 percent. How can I get the best result by doing 10 percent water change after each feeding or 30 percent after last feeding?

Reply:
The main reason to change water is to keep water quality constant and good.
If the water quality is stable and good, there is no need to change water often.

After feeding the water quality will be affected by the left over food and the waste of the fish. Both will pollute the water, so changing water is necessary.
If you have a filtering system to manage waste (ammonia) from the fish, then do not overfeed so that there will be no left over food to decay at the bottom of the tank. You can then do less water change and only do it to remove left over food.

The best time to change water is after feeding.

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