How To Make An Internal Fit Filter?

Well, in general, and the question.
In my blog about the rack, Andrei Mikhnevich said that he would have easier made an aquarium with internal phyto-filtration.
Here are a couple of shelves I want to do on this aquarium.
The size of the bottom of the aquarium will be 80x60cm. Height is about 40cm.
The question of the division into sections is not worth it now, since I saw on sale grooves with suction cups for these purposes.

And how to make the filter itself ??

There is absolutely no need to divide the sections. For aquariums of similar sizes in the rack, I used airlifts – their performance was quite enough for fitfiltration in the outgrowth.
You will need a prefilter inlet.

If you do on the pumps – take not very powerful, 200-300 lh. Pump with foam rubber as a prefilter (if airlift is also highly desirable), water with a hose in a tray, fill the entire tray with expanded clay or gravel and plant flora. Nothing complicated.

That is, as well as the external fitofilter, only inside – correct ??
I want to put one partition, so that it would be possible to grow 2 different broods (this will be for the young). There will most likely not be a ground at the bottom, or very little

Parallel to the back wall, a tray is made to a height just above the ground level, in which there will be plants – is it correct ??
Should the bottom be perforated ??
I’m clarifying – I want this for aquatic plants, since there is no way to make an external phyto-filter — it’s a stand, after all.
And what is the width of the tray is optimal, with a length of 80cm ??

A thought came to me here:
Is it possible to make 2 trays on top of each other on the back ??
The first is at the bottom of the aquarium, and the second is higher, somewhere in the middle ??
Or does it make no sense ??

How To Make An Internal Fit Filter?

Yes. Tray along the entire length.
The sections or false ones are completely unnecessary in it: with a layer of gravel no more than 10 cm and the roots of living plants it will work perfectly and efficiently. Just a tray, just gravel (lava, expanded clay, etc.) and just plants.

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The bottom can be perforated at the far wall (where the drain will be made). If the bottom is made perforated along the entire length, then it is also necessary to make the bay along the entire length with a flute (otherwise the part of the tray farthest from the bay will be leaky). This is troublesome, and therefore – no need.

Regardless of the length of the tray, its width, in theory, should be approximately equal to or greater than the depth of the substrate. But with the depth of the substrate up to 8-10 cm (and more than 12 to do and there is no special meaning). narrower trays work normally, only very small plants can be placed in them.

euggn, and you mean that the surface of the tray will still be above the water ?? Otherwise, how will the flute work?
And you, by chance there are no photos of such systems? Because I still think that we are talking about different things.
I have already done the external fit filter – it works. wrote here.
Now I want a similar system, but that it was completely in the water, and the plants were aquatic.

Now I want a similar system, but that it was completely in the water, and the plants were aquatic.

Stasy, plants grow above water much faster than under water. This is the meaning of the phytofilter – in order to export the substances accumulating in the water, it is necessary to ensure the fastest possible growth of the plant biomass.

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If this economy is “drowned” – you can, for example, put a tray with a substrate and a false one at the bottom – there will be a normal bottom filter, whose design and operation have been known for more than 100 years, this does not mean that it will be “bad”. It will be normal, within the framework and possibilities that are characteristic of such filters.

BUT
– plants will need to be highly illuminated and carbonized in the water.
– plants will affect the environmental performance (and if there are a lot of them, they will greatly influence, and if there are few of them, they will not cope with the reeds)
– Plants outside the water can have an arbitrarily large mass without changing the gas composition of the water and content with the CO2 present in the atmosphere. Only outside the water can you create a green mass that could more or less effectively "serve" the feeding bowl. Inside the rearing aquarium, this will be quite problematic.

Will the aquarium be decorative? If decorative, it is not necessary.
I tried to make a small, half the length of the aquarium.
Under the filter shadow, the filter is quite noticeable.
For decorative better external.
The blog at euggn is well described like this.

The fact of the matter is that the aquarium will not be decorative.
I want to occupy 2 middle tiers on a 4-storey rack with reeds.
You can, of course, make it external fitofilters, but.
1. The height of the shelves is relatively small, if only creeping plants are taken.
2. What is the general sense in plants, if they are not visible at all – I want to trim it, so that only the fish were visible, i.e. the aquariums themselves, and all the free space will be hidden under the trim.

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that euggn.
how many plants should be, what would they normally perform their function ?? Carbon dioxide, in principle, is supposed to come from the fish. or will it not be enough ??

In the rack, in the working "dish" it will still be "very beautiful" unlikely. The meaning of plants in FF at the working capacity is mainly such: organic utilization (with limited abilities of flora, except for hardy floating and unpretentious in pots-trays in most booties).

They should be tightly planted tray. Moreover, their possible not very large sizes are compensated for by the growing season that is impossible in water. Shelves can contain compact Echinodorus, amphibious forms of long stem (with trimming), somewhat cozier with low Anubias (if the conditions fit and will not “burn”), many land coverings (though their role in organic recycling, if they are small, are not great especially large), some low marshes – creeping ficus, fittonia, tradescantia (generally a beast, by vegetation).

A narrow tray (width and height up to 7-10 cm) in a trough with a width of 40 cm does not create any “shade”, unless it is illuminated by a single backward-shifted lamp.
What is inconvenient is to fish in an aquarium full of water. It is more convenient to do this by pouring it to a level below the bottom of the tray.

How To Make An Internal Fit Filter?