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earthbound
 Post subject: Re: Jim,s System
PostPosted: Jan 25th, '12, 13:28 
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Lets try and keep things on topic please....
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jim
 Post subject: Re: Grow bed depth
PostPosted: Jan 25th, '12, 16:35 
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Sejin wrote:
jim wrote:
AP toms in 150mm grow bed
jim.
Yes sejin 150mm depth has worked for me for 4 years with out any problems 170 would be good.
Jim.I am a newbie. Learning from and admiring your set up.

I am about to aquire 3 grow beds.
Bunnings has 170mm deep containers with large area. If this depth were OK, it would make my life simple. But every expert wrote that 300 mm depth is recommended for grow bed. You, on the other hand, seem to have a successful tomato growing in 150mm growbed.

I thought it may be OK for lettuce, but seems OK even for tomato.
These seem to cover most important vegies.

Would that mean 170mm is good enough for most aquaponic needs?

Sejin
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jim
 Post subject: Re: Grow bed depth
PostPosted: Jan 25th, '12, 16:39 
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RupertofOZ wrote:
Sejin wrote:
Bunnings has 170mm deep containers with large area. If this depth were OK, it would make my life simple. But every expert wrote that 300 mm depth is recommended for grow bed. You, on the other hand, seem to have a successful tomato growing in 150mm growbed.

I thought it may be OK for lettuce, but seems OK even for tomato.
These seem to cover most important vegies.

Would that mean 170mm is good enough for most aquaponic needs?


You can certainly use shallower grow beds... particularly for smaller/shallower root veges... like lettuce/herbs etc...

And can use them for stuff like tomatos... just beware that large root mass , or longer term growth veges/fruits... might mean that the root mass becomes "root bound"...

Probably wont be a problem for the vege growth... but could lead to the flood level being raised, and/or possible "dry" spots through channeling of water around root growth...

Also be aware.. that smaller/shallower grow beds... means you need more of them to obtain the necessary filtrationj capacity for your numbers of fish....

Or more correctly.... you must stock your numbers of fish to the filtration capacity that you have.... deeper grow beds means more filtration capacity within a similar footprint...
Yes i agree Rupe, you have to balance things.
Jim
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jim
 Post subject: Re: Jim,s System
PostPosted: Jan 25th, '12, 16:46 
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earthbound wrote:
Lets try and keep things on topic please....

What do you mean by that EB.
jim.
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RupertofOZ
 Post subject: Re: Jim,s System
PostPosted: Jan 25th, '12, 17:15 
It relates to a couple of posts that were deleted Jim...
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jim
 Post subject: Re: Jim,s System
PostPosted: Jan 25th, '12, 17:50 
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RupertofOZ wrote:
It relates to a couple of posts that were deleted Jim...

I hope they wernt anything i posted.
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RupertofOZ
 Post subject: Re: Jim,s System
PostPosted: Jan 25th, '12, 18:07 
No mate... you only post good stuff...:wink:
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jim
 Post subject: Re: Jim,s System
PostPosted: Jan 25th, '12, 18:41 
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RupertofOZ wrote:
No mate... you only post good stuff...:wink:

Thanks Rupe, on another note outside temp yesterday 34 and today 32 ,fish tank temp 26.5 at 6pm, fish are all good but swimming at the bottom, temp is coming down as the night gets cooler.
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earthbound
 Post subject: Re: Jim,s System
PostPosted: Jan 25th, '12, 20:26 
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Not at all Jim, love what you're doing and thanks for sharing...

There was one post removed because someone with a grudge against me was getting personal and it had nothing to do with your thread...

So how many fish do you have in the system at the moment?
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Sejin
 Post subject: Re: Jim,s System
PostPosted: Jan 25th, '12, 21:01 
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thanks for many replies on shallow grow bed.
I plan to have main grow beds 300 mm deep for filtering purpose.
But I plan to use many shallow ones (one would call them trays even though its size is not small, 600 x 400 mm. I feel now that I can use shallow trays in combination with a deeper main grow bed with some confidence.

Sejin
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jim
 Post subject: Re: Jim,s System
PostPosted: Jan 26th, '12, 09:56 
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earthbound wrote:
Not at all Jim, love what you're doing and thanks for sharing...

There was one post removed because someone with a grudge against me was getting personal and it had nothing to do with your thread...

So how many fish do you have in the system at the moment?

45 rainbows 10 small bass and some yabbys, harvested the larger trout at christmas [in the smoker bloody good,]
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Dan`
 Post subject: Re: Jim,s System
PostPosted: Mar 12th, '12, 16:07 
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wow Jim, nice system. subscribed and will be keeping an eye on it.
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jim
 Post subject: Re: Jim,s System
PostPosted: Nov 12th, '12, 16:07 
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Pic's today all good
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Last pic's got lost i think this lot will work.
Rainbows to 1kilo plus,ready for the bradley at christmas
jim.
Attachment:
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100_0241 (Medium) (Small).JPG [ 226.6 KiB | Viewed 5413 times ]


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RupertofOZ
 Post subject: Re: Jim,s System
PostPosted: Nov 12th, '12, 16:18 
Luv ya work Jim....
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mantis
 Post subject: Re: Jim,s System
PostPosted: Nov 12th, '12, 16:26 
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You da man. Love that greenhouse setup :headbang: :headbang:
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