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Fiberglass available in Cambodia?

aquaponics build

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#1 Paul

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Posted 08 May 2016 - 12:39 PM

I just learned, from another expat living here, that fiberglass is available here. 

 

ResizedImage374300-105-Resin-and-205-Hardener2.jpg

 

All this time, I mean, the time I have spent considering options for my up and coming aquaponics system, not once did fiberglass ever enter my mind. I suppose, unless it is just now catching on, Khmers just prefer steel and poly for their tanks.

 

Soooo, tomorrow, I am going to go talk with the local fiberglass man and see if I can sort two tanks, for starters, a sump and a fish tank. 


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#2 andy

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Posted 08 May 2016 - 07:42 PM

This would be a very interesting project Paul. In the past I have only used this method with minor car body repairs. For the last 40 years I have been in the industry has a repairer and specialist spray painter.

I would be very interested in this concept. But I would like to know about the strengthening of the tanks! with holding so much water volume.

If for example we were to say a one meter square tank! How thick would the walls have to be? How much fiberglass matting would be used, and how many liters of resin.

The concept is good! It would be interesting to know the price.    



#3 Paul

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Posted 08 May 2016 - 11:09 PM

This would be a very interesting project Paul. In the past I have only used this method with minor car body repairs. For the last 40 years I have been in the industry has a repairer and specialist spray painter.

I would be very interested in this concept. But I would like to know about the strengthening of the tanks! with holding so much water volume.

If for example we were to say a one meter square tank! How thick would the walls have to be? How much fiberglass matting would be used, and how many liters of resin.

The concept is good! It would be interesting to know the price.    

 

I should  be able to tell you tomorrow. 

 

The construction of the tank would be, most likely, wood, with the fiberglass cloth laid in strips, in layers, across it. My largest aquarium was about 65 US gallons, when I was a boy. I never had an issue with it holding water. I just have to make proper calculations. Otherwise, I will end up with a whole lot of water on the ground. :D

 

Seriously, I am going to put the sump completely in the ground. The fish tank will be, at least, mostly in the ground. So, the walls of either tank, honestly, do not have to be too terribly strong, due to being supported by the dirt / clay in the ground. 

 

If either were going to be freestanding, the walls of the tanks would have to be considerably stronger. 


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#4 Oz Jon

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Posted 09 May 2016 - 09:39 AM

Paul,

 

The cans you pictured contain epoxy resin (and West is a good brand) - epoxy is fine stuff for fish tanks, etc.

 

I thought that I'd just warn you (and others) that frequently, when people say "fibreglass" (or "fiberglass" if they are Americans - Lol!) they are talking about polystyrene resin based product.

 

Polystyrene resin is a lot cheaper than epoxy resin and is commonly used for many things including water tanks.

That's what many auto "body-fillers" are made from too.

 

Depending on their purpose, that may be fine, but, even when cured, polystyrene still leaches styrene into any water contained in a tank.

 

Styrene is not nice stuff for humans, animals or fish to digest. - so don't use polystyrene for potable water or fish tanks!

 

Cheers


Edited by Oz Jon, 09 May 2016 - 09:49 AM.

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#5 andy

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Posted 09 May 2016 - 10:56 AM

Anything what attacks the central nerve's system in us humans, can't be good for us. 



#6 Paul

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Posted 09 May 2016 - 12:51 PM

The cans you pictured contain epoxy resin (and West is a good brand) - epoxy is fine stuff for fish tanks, etc.

 

The images were posted just for general reference. Something I pulled off an internet search. 

 

I used fish and human safe resin and hardener, when I was a boy. I used to build aquariums with fiberglass cloth coated in that mix. 

 

============================================

 

I went by today. It took a little while to find it. Went past it the first time, going out of town, but caught it upon returning. 

 

They do, primarily, automotive type body work repair. But, he told us that he could do just about anything we wanted. He did figure it would be considerably more than a metal (stainless steel) or plastic (polyethylene) tanks. I will not know the actual cost until I send him the dimensions of the two tanks I wanted constructed. 

So, we will have to wait a bit longer, to find out how competitive, if at all, he can be in his pricing. 

 

2016-05-09 09.58.jpg


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#7 andy

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Posted 10 May 2016 - 07:34 PM

I am a good believer in doing the job first time! If you are ever to fail, and do it twice it costs twice as much.

This is not to say I don't look at the cheap alternatives.

Today I traveled around town looking at items what may and may not work has grow beds, and tanks. All manner of containers. Even to some which my be the extreme! such has the plastic liners in pickup trucks.

 

I came across the blue barrels for sale, all the stores are basically the same price of $21.50 for food grade.

This store also had the capability of cutting the barrel.

 

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WP_20160510_002.jpg     



#8 andy

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Posted 23 May 2016 - 09:43 PM

Paul, found these today in Battambang! may be of interest to you. Will make excelent grow-beds. fair size.

Not too bad at the price of $18 each.

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store name Heng Chhay Ly.

 

Hope this helps.



#9 Paul

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Posted 24 May 2016 - 10:37 PM

Paul, found these today in Battambang! may be of interest to you. Will make excelent grow-beds. fair size.

Not too bad at the price of $18 each.

 

What do they have, about 20 liters capacity? By the size of your hand on the lid, that's what I was figuring. They would make for good sized dutch buckets, I would imagine? If the plastic wall is thick enough?

 

$18 is a bit much, I would think, no? 208 liter barrels, if I buy several are like $19.50 each - I think the lady said? I need to buy one and cut it in half (horizontally) to make two filters, like the ones pictured below: 

 

_bottle_caps_filter.jpg

 

I recently realized, while drawing my schematic over again, that I will need two flowing media beds, not just one.


Edited by Paul, 24 May 2016 - 11:07 PM.

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#10 andy

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Posted 25 May 2016 - 12:24 PM

I think they are double the size you think Paul, and strong for grow beds. For Dutch buckets! Look at the buckets on the photo. also a cheaper alternative are used paint buckets (they are on sale all over town).

The photo above regarding the Blue barrels, have the cutting service at their shop.    







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