how to create a good current for 2 feet cube sps

[andysho]

any advice on how to set up a good current for sps

in a 2 feet cube tank~~

what device should be use?

thanks

[Terryz_]

Tunze... The smallest model... 6060...

[andysho]

But i heard it can kill corals inside~~due to the strong current leh~~~~

so you mean i dun need any powerhead liao??

my tank will have two oct pipe with current flowing out from

the overflow compartment

[andysho]

quoted from edmund

tunze stream:

Usually it would be quite strong for any tank less than 3ft. But if you are keeping SPS, its ok. Not so for softies or LPS.

[riot]

Stack your LR so you get a centre mountain. Set up 2 PH on the rear top right & left corners and blast forward. The currents will smash against the front wall, deflect off and hence acheive a nice broad flow/ lose velocity, collide and create a whirlpool right in the centre front of tank. Good random flow using cheap PHs, no need use tunze. Should work because yours is a 2 footer. You can add in timers and alternate between left, right and both flow.

[arcanehacker]

Stack your LR so you get a centre mountain. Set up 2 PH on the rear top right & left corners and blast forward. The currents will smash against the front wall, deflect off and hence acheive a nice broad flow/ lose velocity, collide and create a whirlpool right in the centre front of tank. Good random flow using cheap PHs, no need use tunze. Should work because yours is a 2 footer. You can add in timers and alternate between left, right and both flow.

just thinking.. wouldn't you sad bed be affected? .. Even my canister filter output is moving my sandbed..

[andysho]

Stack your LR so you get a centre mountain. Set up 2 PH on the rear top right & left corners and blast forward. The currents will smash against the front wall, deflect off and hence acheive a nice broad flow/ lose velocity, collide and create a whirlpool right in the centre front of tank. Good random flow using cheap PHs, no need use tunze. Should work because yours is a 2 footer. You can add in timers and alternate between left, right and both flow.

thanks for the advice

will buy small powerhead to blast it off in case

all my sands floating like snow sia

[silverfish]

Anyone uses tunze 6060 for 3 feet? Any comment that it is too powerful?..

[riot]

You will have to position your PHs and live rock so there wont be too bad a gouge on your sandbed.

Silverfish: I run a 6060 (controlled with singe unit) and a 6000? (non controllable type 7000l/h type) in my three footer. The posiitioning is a bit tricky- to achieve max turbulence for SPS, slow current areas of LPS, minimal sandbed disturbance, hidden away at corners for neat tank. Can be done.

Of course some mistakes were committed - frogspawn nearly ripped off by misdirected stream. You will have to be careful.

IMO a 6060 should be fine with a 3 foot, if generally softies and LPS.

[reef2]

Anyone uses tunze 6060 for 3 feet? Any comment that it is too powerful?..

me use 6080 for my 3ft. edmund's advise is correct. i am keeping sps and clams. mushy placed below the tunze. so far so good.

[Dispar_Anthias]

Anyone uses tunze 6060 for 3 feet? Any comment that it is too powerful?..

I am using a 6060 for my 3 feet, keeping sps so itas ok..... so far there is still a few rather dead spot and i use them to keep my lps

[andysho]

so i think using tunz is too powerful for a 2 feet cube tank

[pacificbetta]

Riot,

I run a 6060 (controlled with singe unit) and a 6000? (non controllable type 7000l/h type) in my three footer

6000 is the model for 7000l/h controllable. 6060 is 6000l/h non-controllable. There is no 7000l/h non-controllable model, at least not to my knowledge.

[riot]

Thanks pacificbetta

I think you got it right.

[weileong]

buy the 6010 and use it standard alone without the controller then you get something like the stand-alone model. Except that you can manually tune it to 30% of the max flow rate.

[riot]

But i feel it is a bit expensive to buy a controllable at double the price only to downsize its potential to 30% leh.

If you are talking about the broad flow of a non-control stream, can direct the blast against a side wall to disperse the velocity.

[andysho]

i think i just buy 2 cheap powerhead and blast it against the wall~~ save $$$

the smallest tunz turbelle wave can cost me up to 200+++

[arcanehacker]

i think i just buy 2 cheap powerhead and blast it against the wall~~ save $$$

the smallest tunz turbelle wave can cost me up to 200+++

I'm not really sure about this tunze thing but for that $200+, is the flow controllable?

[riot]

If I am not wrong, its not. Control is double the price? I cant recall. Its a heavy investment so if you do get it, you gotta run it at full effect.

[andysho]

no the flow is not really controllable i think

think another way is to use SCWD which cost cheaper

but dun really know how to use it~~~~

[weileong]

to make it controllable you will need to get those controllable model like the 6010 (7000l/h) or 6100 (12000 l/h).

Then you will still need the controller to generate the waves.

If you don't get the controller then you can just tune them for lower flow rates (down to 30%).

Else just get the non-controllable model and save some $$$.

[andysho]

anyone using that SCWD~~~

all i know there are three outlet tune~~~

dun really figure how to install it to control the flowrate

the device look very simple to me~~~

[weileong]

one is inlet.

the other two are outlet. This SCWD will alternate the output between the two outlet.

[arcanehacker]

one is inlet.

the other two are outlet. This SCWD will alternate the output between the two outlet.

so to say, SCWD only alternates waterflow but still not control flow rate. So actually its not cheaper.. its meant to be an add on..

[andysho]

so what you mean is that attach one powehead to the inlet

then wat about the outlet? do i need to connect tube or just leave it alone~~~

so how do it really works?