[fietsenrex]

1, getting the filter started after maintenance could be difficult but is doable, this because filter normally don't "suck" water up the hose, when the filter is full of water and there is no more air it shouldn't be a problem.
to overcome this you could use a pump to pump in the water from the tank up to the filter.
2, I've got a 2078 with heater and love it, the less equipment in the tank the better, you have more room for fish and hardscape and don't have any unsightly hardware in the tank
3, 2x factory spec should be fine, because you have losses due to filter material and hoses etc. so the 350 is sufficient by itself to run the tank.
more is almost always better since you can regulate the flow with a valve if the flow is to much.
4, could be a problem but doesn't have to be.
it depends on the plantload, ferts, co2 light duration of your own lights and most importantly on how long the sun hits the glass

 

[Hilde]

1. I would rather place the filter in the upper part, but in that case the filter will be above water level. Is that a problem?
2. Eheim Pro 4 350 or 350T filter.
3. Eheim says the 350 is adequate for tanks up to 350 L (92 gallons) but i read we should use a filter with a capacity 10 times
4. Another problem is the exposure to direct sunlight. Will that be a problem?

1. Gravity helps the water flow down. The pump pushes the water up. If strong enough to push water from output is questionable.
2. I like the 350. High flow is not good for some fish. Look youtube to see what you like.
3. The ratings are done without media in them so unreliable.
4. Is hard to answer. Depends on light you use.

This is an expensive hobby. You buy a little here and there and it adds up. I find it best to find a good light. May get a new 1 half price at a local fish club. Then decide on type of plants you want. Check if they need a lot of Co2.

Easiest plants are your Ferns, Moss, Anubias, Hygrophilia Difformis, and Cryptocornye. Ferns, Moss, Anubias grow without a substrate. Hygrophilia Difformis is actually a weed thus can grow in any substrate. Cryptocornye need rich substrate. These can grow without a light being added.

 

[Opare]

For canister filters, the one I use at least, the filter has to be below the tank. Natural sunlight can sometimes lead to unwanted issues (algae), it's better to have not it present. Although it's not that much, just manage your lighting well.


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