How To Put The Fish Tank Filter

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I have an aquarium of 280 liters, and while one filter is working Eheim 2227 Wet / Dry. Since I want to have live plants, I set the CO2 supply.
I recently read that Eheim 2227 Wet / Dry is weathered CO2 and there is no use for plants. I bought another filter Eheim Pro 3e 2078 and I want to install both in one aquarium. Could you tell me how to install two external filters in one 280 l. aquarium, and whether to do it.

Thanks for the advice.

Tell me how to install two filters (external) in one aquarium, or only one is needed?

Well, thanks for the advice, but they do not give me an answer to my question about filters. Tell me how to install two filters (external) in one aquarium, or only one is needed? I already have, and for me the question of buying or not buying is not worth it. Filters Eheim 2227 Wet / Dry i Eheim Pro 3e 2078. 4×65 W lamps, size 144 dyne x40 width x72 height.
Tell me please.

How To Put The Fish Tank Filter

need to make a shorter daily cycle (12h instead of 24)

Very interesting, but how does the increase in daylight in an aquarium relate to the concentration of CO2?

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need to make a shorter daily cycle (12h instead of 24)
for 6-7 hours, the plants will consume free CO2 and. night will come (usually 4 hours is enough), CO2 will work for the population of the banks.
The installation of CO2 is good for a “holland” with a small fish population, if the aquarium in any office and within 10–12 hours of light the plants begin to drain carbonate hardness.
We must remember to set up the installation in order not to poison the fish and to look for someone to offer (sell) fast-growing seedlings.

CO2 installation will take more money and take place

In general, a man wrote that he had already bought CO 2

set the day = 12 hours. this successfully compensates for the absence of a CO2 installation

Very interesting, but how does the increase in daylight in an aquarium relate to the concentration of CO2?

aquarium a meter length (

250 l) for apartment use, perhaps optimally maximal. CO2 installation will take more money and take up space. if you do not sit all day contemplating your underwater garden, then set the day = 12 hours. this successfully compensates for the absence of a CO2 installation, but the fish should be in the aquarium, blowing air through – according to the content of fish and plants.
excellent if the filter is a good irrigated canister. or let’s say two filters are cheaper: one is a regular pump with a sponge, the second is a glass with a bio-filler (for example, lava).
I have ten such jars

In theory, as a result of the activity of aerobic bacteria, in the biofilters themselves CO 2 should be additionally released. Therefore, it is possible to increase the oxygen saturation of water with the help of an oxidizer. At the same time, I believe that a small trickle of bubbles should be from the compressor, as a safety element.

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Only for some reason it seems to me. That it is hardly worth considering seriously the opinion that 2227 really greatly reduces the concentration of CO2 in comparison with any other filter.

Since I want to have live plants, I set the CO2 supply.

Another victim of the marketing policy is about the mandatory need for equipment with CO 2 in an aquarium with good live plants.

I recently read that Eheim 2227 Wet / Dry is weathered CO2 and there is no use for plants.

This is not entirely true; aeration in any form, of course, erodes CO 2, but at the same time is a natural source of its replenishment from atmospheric air (free of charge). With the help of equipment, it is possible to obtain an increased concentration of carbon dioxide in the presence of aerators, but this will require an increase in capacity and an increase in gas consumption.