Placement for Eheim Pro 3e 2078 inlets and outlets

[o2bubble]

Hi guys, need comments on my proposed layout for circulation purpose for my 4x1.5x2 ft tank:

Inlets (x2): 1 at each of the side corners of the tank (i.e back left and back right end). Both 16/22 mm pipes.

Outlets (x2): Both will pass through CoralLife 3x UV, Chiller and then spilt by a T-joint. One to a Dennerle Cyclo Turbo XL internal CO2 reactor placed near to inlet at the left end, one to a lily output pipe at the left side but near to the front glass. Both reactor and lily pipe have 12 mm inlet. Thus, it will be safe to assume that the flow will roughly be the same for both outlets.

I think it should provide a good circulation. Can anyone kindly comment?
Thanks!

[bossteck]

Why do you want to run both outlets through the series of equipments? Why not just have one of them go through the UV, chiller and reactor and have the other one direct from filter to tank?

I think the best strategy is to keep your outlets at the same corner of the tank (regardless or whether the outflow are the same). That way, they will not counter each other in terms of water circulation isn't it?

[michael lai]

When it goes through so many appliances, flow rate will be hindered. What about maintenance? If I want to maintain one of the appliances I got to take out everything? I would go for the chiller and Co2 reactor, nothing else. Use a auxillary pump to do the rest. My 2 cents.

[o2bubble]

I considered that as well. But if one outlet does not go through chiller then will the water not chiller properly or take long to chill?

[hc rotala]

Congratulate that u have the luxury toy for your planting hobby now.

About the outlet, IMHO, the chiller should rather occupy one whole outlet due to the functioning priority. Later the routing maintenance will be less stressful.

[michael lai]

Nope, the tank in question is 4x1-5x2. Pro3E more than adequate to handle, I would go with you on the rest of the appliances except the UV which is seldom use.

[hc rotala]

One pump's propeller with 2 outlet, theoretically here they (2 outlet) need balances, obviously connecting something ahead the outlet will fairy affect the flow, not to say the length has physically extended. Thus not suggest all put in one, beside caused some clutter while maintenance.

[illumnae]

Nope, the tank in question is 4x1-5x2. Pro3E more than adequate to handle, I would go with you on the rest of the appliances except the UV which is seldom use.

would a pro 3e be sufficient to handle a 4x2x2 with only a co2 reactor connected inline? it's rated at 1850 without media, so probably close to 1400 without media? that's only 3+x tank volume per hour

[o2bubble]

I am not sure if some of u got my description wrong.. I am spliting the outlet only after chiller so both outlet has chilled water. Thus no issue with maintenance i think.

[adeguay]

I have a eheim 2080, try to connect as below all using 16/22 hose

tank (2 inlet) > chiller > NA Co2 reactor. The flow rate reduce by 50%. Which i think should be less than 1000l/H

In the end it become

Tank (2 inlet) > Chiller . Than at least i get 80% of the flow rate.

Never try a split. Pls let me know your result.

[o2bubble]

Mine is 2078 which only has 1 inlet and 1 outlet not like 2080 which has 2 inlet and 1 outlet. Thus, that's why need to split to distribute my inlets and also outlets as the max flow is 1850 l/h as compare to my current 2028 at 1050 l/h

[o2bubble]

Bro, I think its definately enough. The rating says it supports up to 700l.

would a pro 3e be sufficient to handle a 4x2x2 with only a co2 reactor connected inline? it's rated at 1850 without media, so probably close to 1400 without media? that's only 3+x tank volume per hour

[carlfsk]

O2bubble, have you ever realised why the eheim pump such as 1250, 1260etc, will have the inlet a larger size then the outlet. The outlet being a smaller size is to create a higher pressure at the outlet, thus the powerful outflow / flowrate.

So in your case of spliting the outlet, after going through the chiller, will result in a further lost in flowrate at a higher rate then if it is left alone without splitting it into 2.

[carlfsk]

By-the-way, I'm using mine for a 250 litres tank. The outflow is going through the chiller before returning to the tank, and I find the flow just nice. I would be happier if it is stronger.

[hc rotala]

Then don't split the outlet, obviously magnetic pump head of canister filter got critical pressure head limitation.

If you insist so, you probably need to apply a control valve at each end to assure sufficient water feed to the chiller side.

[o2bubble]

My idea of splitting is because although the flow through internal reactor is just nice but lack a channel to push water around. And 2078 is double of 2028 in the flow.

Anyway, will try and feedback soon.

[carlfsk]

Ya man, you never try and you will never know. Do keep us updated!

[o2bubble]

Guys, managed to setup the 2078 filter after 6+ hours... in case you wonder why I took so long is because the need to measure and cut the hoses, connect them properly (reconnect a few times due to flow problem), wash and transfer existing medium etc. BUT the most important is because I have split the inlet with one longer hose and other shorter hose, when starting up, the water just refuse to flow up into the filter! Took me 2 hours to experiment how to get the water flow finally! (Take in and out, put to pail, cut hoses, suck with mouth etc, all other methods you can imagine!)

After that still need to keep messing with the settings to get the correct flow. This is a pain man... hope its the last.

In summary, the final result is not as good as expected but not too bad. The suction from from inlets are about half of that of my old 2028 (weak) while the flow rate from from each of the 2 outlets is slightly less than from my 2028. However, good thing is that I have a lily pipe now to help circulate in addition to the current co2 reactor. Also, I have a bigger bio filtration capacity of addition one tray of eheim substrate pro and a prefilter.

Btw, from the service indicator, it is telling me that my configured flow rate - MAX (1850l/h) is not achievable and less than 50%.

Hope this will help those who are thinking of using this combination for 2078 as well.

[hc rotala]

Imagine that as every moments when it it comes to filter maintenance, with such lot of chores to acquire the start-up flow, how boring it be.

Try using a "Y" type splitter instead of "T", less pressure loss so smoother the out-flow.

[ct13]

Thanks for sharing your experience bro O2bubble!!!

It really help me to decide which combination to go for. I will gor for one external pump(2400l/h) with 2 canister instead(flow rate will drop to around 1600l/h after all connection).

Regards,
Ct