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Old 14-02-2012, 10:36 AM   #11
canopy
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Originally Posted by Fins&Tails View Post
Just finish DIY my ohf today with 8000lph flowrate
you are using one base for distribution of water to the next layer right? it is kind of waste leh. maybe can improve on that....
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Old 14-02-2012, 10:46 AM   #12
Daniel_Tan183
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Hi bro FidoX, for me, I used 5cm of the very thick green tubing which most LFS would carry.

-Fit roughly 2cm onto the rainbar,
-Cut the end of the flexible tubing which you want to fit into the rainbar, till the area with ridges.
-Insert the tubing into the rainbar till the first hole where the water exits.

It works for me, very secure.
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Old 14-02-2012, 10:56 AM   #13
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Just finish DIY my ohf today with 8000lph flowrate

impressive
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Old 14-02-2012, 11:45 AM   #14
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Originally Posted by Fins&Tails View Post
Just finish DIY my ohf today with 8000lph flowrate

Impressive set up. Mind to share how it work ?
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Old 14-02-2012, 02:10 PM   #15
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Originally Posted by wei_yuan86 View Post
Wow impressive set up..
Looks pretty hard core
How does the PVC piping help improve the system bro?
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Originally Posted by canopy View Post
you are using one base for distribution of water to the next layer right? it is kind of waste leh. maybe can improve on that....
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Originally Posted by Angsua View Post
impressive
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Originally Posted by leowboy View Post
Impressive set up. Mind to share how it work ?

Thanks bros.

Actually this is a ious 2 tier setup. The return pump at bottom tank pumping water up to this ohf. Using rio32hf.

PVC pipings secured firmly to cover so even top tray can place a layer of momotaro. Rest of trays are stacked with a layer of mr aqua cr n momotaro. As for wool the ious will take care of it. PVC piping rainbar has valves to control the flow at end of rain bar cos normally end has stronger flow than front. Base plate has 3 outlets so won't overflow.

So far running ok, only that bottom ious compartment water drop very low when running. Headache
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Old 14-02-2012, 02:25 PM   #16
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Originally Posted by Fins&Tails View Post
Thanks bros.

Actually this is a ious 2 tier setup. The return pump at bottom tank pumping water up to this ohf. Using rio32hf.

PVC pipings secured firmly to cover so even top tray can place a layer of momotaro. Rest of trays are stacked with a layer of mr aqua cr n momotaro. As for wool the ious will take care of it. PVC piping rainbar has valves to control the flow at end of rain bar cos normally end has stronger flow than front. Base plate has 3 outlets so won't overflow.

So far running ok, only that bottom ious compartment water drop very low when running. Headache
Excellent idea bro.. The idea of the control valves to control the FR of water being received in the 3 trays is great. This solves the common problem of the last tray being flooded more than the other 2.
Something i will consider next time if ever there's a new set up.
Thanks for sharing
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Old 16-02-2012, 01:54 AM   #17
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Originally Posted by FidoX View Post
Yes bro Daniel it's 20HF, very correct referring to the tubing that connects the pump to the rain bar ... Any1 with photo or video of their OHF setup can post very keen to see how u guys do it ...
4ft ohf use rio 20hf ? i think you will have problem on over flow .
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Old 16-02-2012, 02:28 AM   #18
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Quote:
Originally Posted by Fins&Tails View Post
Thanks bros.

Actually this is a ious 2 tier setup. The return pump at bottom tank pumping water up to this ohf. Using rio32hf.

PVC pipings secured firmly to cover so even top tray can place a layer of momotaro. Rest of trays are stacked with a layer of mr aqua cr n momotaro. As for wool the ious will take care of it. PVC piping rainbar has valves to control the flow at end of rain bar cos normally end has stronger flow than front. Base plate has 3 outlets so won't overflow.

So far running ok, only that bottom ious compartment water drop very low when running. Headache
Hmmm...can share with me how you do the 3 outlets for the base plate? With only 1 outlet although it's flooding my base plate, I don't dare to drill the base plate as I'm worried it will affect the integrity or strength to withstand the load of the medias.
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Old 16-02-2012, 11:00 AM   #19
canopy
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4ft ohf use rio 20hf ? i think you will have problem on over flow .
i agree. maybe you need to change to a lower flowrate. a 4000LPH will be more than sufficient.
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Old 16-02-2012, 11:09 AM   #20
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Quote:
Originally Posted by Fins&Tails View Post
Thanks bros.

Actually this is a ious 2 tier setup. The return pump at bottom tank pumping water up to this ohf. Using rio32hf.

PVC pipings secured firmly to cover so even top tray can place a layer of momotaro. Rest of trays are stacked with a layer of mr aqua cr n momotaro. As for wool the ious will take care of it. PVC piping rainbar has valves to control the flow at end of rain bar cos normally end has stronger flow than front. Base plate has 3 outlets so won't overflow.

So far running ok, only that bottom ious compartment water drop very low when running. Headache
This mean your current powerhead is too strong for your IOS setup. I use to install a ehiem 1262 to my 6 footer IOS and ended up also like you, pump compartment water level drop too fast. After change back to ehiem 1260 the water level go back to normal.
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