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Air cavitation / reduced water flow

  • Thread starter Thread starter CBDfutute4
  • Start date Start date Aug 20, 2021
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Air cavitation / reduced water flow

CBDfutute4 Aug 20, 2021 40 Replies 5,465 Views
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CBDfutute4

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#21
Water goes left in pvc, gets to a 180 bend and comes back along flowing right to pump

pump pulls into res n res flows out the bottom to the 3 in room

very sorry, lots to drink
 

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CBDfutute4

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#22
ComfortablyNumb said:
Try this one.
Click to expand...

I may do exactly that

thanks for ur help
 
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ComfortablyNumb

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#23
CBDfutute4 said:
I may do exactly that

thanks for ur help
Click to expand...
That will fix it.
 
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smokedareefer

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#24
CBDfutute4 said:
I believe I have something like that

it’s been killing me trying to get it, I’ve ran it in reverse, drain n filled with other pumps

will having higher water level help me get it figured out?
This has ran for 8 months
Click to expand...
"will having higher water level help me get it figured out?"

Yes. Half full will usually get it going

Ps: my stock current culture 4 site 13 gal modules uses a danner 500 gph pump
 
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CBDfutute4

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#25
thinking better now

if I use the diagram u posted I’m going to be running in reverse

so the 2” pvc will be my return and 3/4” hose will be my feed. I don’t top feed either, should?

As of now buckets and res are the same height off the ground……I’d really like to get this going and not be cutting/rerouting pvc

here is video
 

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CBDfutute4

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#26
smokedareefer said:
"will having higher water level help me get it figured out?"

Yes. Half full will usually get it going

Ps: my stock current culture 4 site 13 gal modules uses a danner 500 gph pump
Click to expand...
smokedareefer said:
"will having higher water level help me get it figured out?"

Yes. Half full will usually get it going

Ps: my stock current culture 4 site 13 gal modules uses a danner 500 gph pump
Click to expand...
Do I run a submerged pump or online ?
 
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smokedareefer

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#27
CBDfutute4 said:
Do I run a submerged pump or online ?
Click to expand...
Inline
 
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smokedareefer

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#28
CBDfutute4 said:
Do I run a submerged pump or online ?
Click to expand...

There's a t" on the pump that i fasten a garden hose to empty the system. Burping the garden hose side will get rid of the air lock too
 
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CBDfutute4

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#29
I need to add a valve or two to mine for this exact thing
 
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smokedareefer

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#30
As per current culture instructions filling the system with more water works too

And it does
 
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CBDfutute4

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#31
My build mine

I had something designed he laughed at

thanks for the help everyone

my clones have vegged 10 days in tote n are plenty big to goto into the 5 gal buckets
 

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ComfortablyNumb

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#32
Submerged pump. Turn it around so you are running forwards. Whatever that means.
 
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Cashmeh

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#33
Remove your 2 inch infeed pvc and bulkhead from tote 1, and seal the hole. Insert your 3/4 inch hose directly into the side or top of the tote. Do not increase it from 3/4inch to 2 inch. Your pump cannot fill a 2 inch line sufficiently.

Use gravity to get the water back to the res, not the pump.
 

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CBDfutute4

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#34
Cashmeh said:
Remove your 2 inch infeed pvc and bulkhead from tote 1, and seal the hole. Insert your 3/4 inch hose directly into the side or top of the tote. Do not increase it from 3/4inch to 2 inch. Your pump cannot fill a 2 inch line sufficiently.

Use gravity to get the water back to the res, not the pump.
Click to expand...

for me to do this I just need to turn around my pump, buy longer 3/4” hose and slightly change the lines how water goes in/out of the chiller

do u believe the 3/4 feed will work, cuz if I proceed with this my 2” pvc will be my return to res.

than pull from res into chiller n out n back to pump
 
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Cashmeh

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#35
CBDfutute4 said:
for me to do this I just need to turn around my pump, buy longer 3/4” hose and slightly change the lines how water goes in/out of the chiller

do u believe the 3/4 feed will work, cuz if I proceed with this my 2” pvc will be my return to res.

than pull from res into chiller n out n back to pump
Click to expand...
Oh yea, I use 1/2. All you need is a slight current. Sounds like you gotta easy way to fix it.
 
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CBDfutute4

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#36
Cashmeh said:
Remove your 2 inch infeed pvc and bulkhead from tote 1, and seal the hole. Insert your 3/4 inch hose directly into the side or top of the tote. Do not increase it from 3/4inch to 2 inch. Your pump cannot fill a 2 inch line sufficiently.

Use gravity to get the water back to the res, not the pump.
Click to expand...
Thank u for your continued help sir
 
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CBDfutute4

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#37
ComfortablyNumb said:
Submerged pump. Turn it around so you are running forwards. Whatever that means.
Click to expand...

thank u too brother

u have put ur .02 in several times, I appreciate it
 
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ComfortablyNumb

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#38
CBDfutute4 said:
thank u too brother

u have put ur .02 in several times, I appreciate it
Click to expand...
I try where I can to help. I'm glad you are getting it sorted. But I still think the pump is supposed to be underwater. Every pump like this I've ever used (fish tanks and sumps) is designed to be underwater for cooling and lubrication.
 
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CBDfutute4

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#39
Ok

I’m going to chop things up and reroute to allow for it to be submerged

my pump needs 11.66 gal per minute and u can hear it becoming unprimed when u start it now matter how much water/time u put into priming it

even my wife wants this working so I stop dabbing n drinking n fuking around with all this
 
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ComfortablyNumb

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#40
CBDfutute4 said:
Ok

I’m going to chop things up and reroute to allow for it to be submerged

my pump needs 11.66 gal per minute and u can hear it becoming unprimed when u start it now matter how much water/time u put into priming it

even my wife wants this working so I stop dabbing n drinking n fuking around with all this
Click to expand...
Yeah, like @Dirtbag said, its made leaky on purpose. Sink that buggah.
 
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Replies 40
Views 5,465
Started Aug 20, 2021
Latest post Sep 16, 2021
Starter CBDfutute4
Forum Hydroponics

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