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DunderOZ
 Post subject: Sump volume
PostPosted: Jan 7th, '12, 08:58 
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Hi all and all the best for 2012 :wave1:

Just wondering what volume sump I will need. I have two 330L growbeds. I have placed one 200L barrel under one of the growbeds. Wondering if I should get a second 200L barrel sump for the second growbed or to plumb both growbeds into the one 200L sump. I have the standpipe height set at approx 260mm and grow beds are approx 1 x 1.1 msq.
I guess the question is - how much percentage of volume does the media take up? Does the media take up 60% - 70% of volume? :dontknow:

Thank you in advance for your advice and help :thumbright:

Pat
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mantis
 Post subject: Re: Sump volume
PostPosted: Jan 7th, '12, 09:11 
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Work on 50% , so you will need 330L of sump plus enough to cover the pump so 400L or so
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earthbound
 Post subject: Re: Sump volume
PostPosted: Jan 7th, '12, 09:43 
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Hey Pat....

How are you running the system and how is it set up? That can make a big difference.. Any photos?
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Amph
 Post subject: Re: Sump volume
PostPosted: Jan 7th, '12, 10:33 
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I've found that water has been 35% of the growbed volume.. Either way you'd probably need the second barrel to keep the water level high enough for the pump to work..
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DunderOZ
 Post subject: Re: Sump volume
PostPosted: Jan 11th, '12, 08:20 
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Thanks guys. Have got another sump and currently modifying for fitment. Will get some photos when system is up and running.

Cheers
Pat
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