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Category: Aquaponics | Posted: Wed Feb 23, 2011 3:56 pm

Pebbles ( photo / image / picture from KK Ng's Garden )
Been busy sorting out the pebbles into three different sizes - coarse, medium and small. Need to do this because I want the largest of the stones to be right at the bottom, then the mid-size and finally the small. I wanted this because it will act like a filter and passage of the water right at the bottom would not have restriction.

Quick Fix ( photo / image / picture from KK Ng's Garden )
The first stage is to pick out those that were larger than 4cm in size. The next size was between 2~4cm which I thought the old shopping basket would be a good candidate because of the varied size gaps on it. I was wrong because it was really difficult to make use of the 4cm gap.

Sieve ( photo / image / picture from KK Ng's Garden )
After much suffering of trying to sieve the pebbles with a basket, I decided to make a proper sieve. After looking around here and there, I was lucky to find some old fencing that I used when I was romancing the romaine. The wooden frame was from part of the old bed that I found.

Systematic ( photo / image / picture from KK Ng's Garden )
With the proper sieve in place, sorting was much more pleasant. For those that were less than 1cm were used to fill up holes along the fence.

Getting closer!!

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Jerry Sullivan wrote on Thu Feb 24, 2011 3:29 am:

Hi KK,
Thats a lot of sorting. How to you keep the stones from migrating to the bottom of the grow tank as the water agitates the Laterite? I thought of screening between layers but you may have a different idea. Or did I miss something?



Frank wrote on Thu Feb 24, 2011 5:00 am:

Get a patent on this double sieve KK :)


KK Ng wrote on Thu Feb 24, 2011 1:32 pm:

Hi Jerry,
Yep!! One more lot of sorting and I think I would have enough to fill all the grow tanks. The weather is so hot here just makes me have no desire to step out of the house.
No you did not miss anything. I did thought of the migration matter but dismissed it because I don't think that the flow of the water would be really weak to cause any serious migrating. If need be then I think I'll make use of scrub pads. We'll see how it goes when the system is up and running.

Hi Frank,
Neat looking double sieve ya!! You think I can get a patent on it?! ;P


Sjoerd wrote on Tue Mar 01, 2011 1:14 am:

Things are looking pretty good there, KK. Have you decided on the fish yet?


KK Ng wrote on Tue Mar 01, 2011 3:06 pm:

Thanks Sojerd, as for the fish I have not decided yet but got a feeling it is going to be a whole new adventure!!

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