16 feet by 8 feet by 4 feet build

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that_fish_Guy

that_fish_Guy

Peacock Bass
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Jul 29, 2013
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So I'm starting to buy materials and lay the materials out to build a 16x8x4 plywood pond that will go in my garage...I really want a viewing window as well. I was just coming here to ask..should I seal the pond with pond armor or should I buy a liner and maybe get like 2 or three layers of liner in there. If I went with liner I would also buy some sort of padding maybe like carpet padding to put under to prevent as much stress on the liner as possible pond will be 3800 gallons but because I'm going to fill to about 3-3.5 ft it will only be 3k gallons around.
 
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Take a look at this guys video, I think fiberglass or pond armor is the way to go. I have never had good luck with the liners and actually staying sealed when there is a seam.

 
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that_fish_Guy said:
So I'm starting to buy materials and lay the materials out to build a 16x8x4 plywood pond that will go in my garage...I really want a viewing window as well. I was just coming here to ask..should I seal the pond with pond armor or should I buy a liner and maybe get like 2 or three layers of liner in there. If I went with liner I would also buy some sort of padding maybe like carpet padding to put under to prevent as much stress on the liner as possible pond will be 3800 gallons but because I'm going to fill to about 3-3.5 ft it will only be 3k gallons around.
Click to expand...
Build a base, Stacked 2" x 4", line the inside with plywood, fiberglass, Max Acr on top and add braces
 
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that_fish_Guy said:
So I'm starting to buy materials and lay the materials out to build a 16x8x4 plywood pond that will go in my garage...I really want a viewing window as well. I was just coming here to ask..should I seal the pond with pond armor or should I buy a liner and maybe get like 2 or three layers of liner in there. If I went with liner I would also buy some sort of padding maybe like carpet padding to put under to prevent as much stress on the liner as possible pond will be 3800 gallons but because I'm going to fill to about 3-3.5 ft it will only be 3k gallons around.
Click to expand...

Here is johng's thread, his was 14' x 10' and he has 2 viewing windows

https://www.monsterfishkeepers.com/forums/threads/10x14-2500-gallon-plywood-stingray-pond.394202/
 
M@T!@$ said:
Build a base, Stacked 2" x 4", line the inside with plywood, fiberglass, Max Acr on top and add braces
Click to expand...

Max Acr?
Also yea was planning to use something on the outside of the ""plywood box"" like stacked lumber for support but seems like just bolting and stacking 2x4s won't hold up????seems like it would be weak? Probably would use countersunk lagbolts Is that actually a pretty sturdy method? Also was going to use 4x4s on the very bottom (these would be contacting the floor) to elevate it off the ground and build a platform on that to build off of so the tank isn't sitting on the ground in case it gets wet etc and also to drain a little easier. And sounds like the fiberglass pond armor is the way to go. Could I drill for bulkheads also?or would that not be watertight considering the tank is plywood? I want the bulkheads to drain into a system of several 55gallon drums. Was planning on one with sponges and potscrubbies one with ceramic media and chemical media and another with K1 Kaldness. Also is there a way to mount acrylic on the inside for a viewing window? Was planning on buying one or two1-1.5 inch acrylic sheets and use silicone as a gasket and then bolt the acrylic to the inside of the plywood to make two viewing windows on the front.
 
that_fish_Guy said:
Max Acr?
Also yea was planning to use something on the outside of the ""plywood box"" like stacked lumber for support but seems like just bolting and stacking 2x4s won't hold up????seems like it would be weak? Probably would use countersunk lagbolts Is that actually a pretty sturdy method? Also was going to use 4x4s on the very bottom (these would be contacting the floor) to elevate it off the ground and build a platform on that to build off of so the tank isn't sitting on the ground in case it gets wet etc and also to drain a little easier. And sounds like the fiberglass pond armor is the way to go. Could I drill for bulkheads also?or would that not be watertight considering the tank is plywood? I want the bulkheads to drain into a system of several 55gallon drums. Was planning on one with sponges and potscrubbies one with ceramic media and chemical media and another with K1 Kaldness. Also is there a way to mount acrylic on the inside for a viewing window? Was planning on buying one or two1-1.5 inch acrylic sheets and use silicone as a gasket and then bolt the acrylic to the inside of the plywood to make two viewing windows on the front.
Click to expand...
Yes you can drill bulkheads, just coat the inside of the wood with pond armour. I only used max acr as an example as it is cheaper
 
I just left my local Home Depot. They had 4'x8' sheets of cabinet grade 22/32 plywood for $29.99 if you want to check in your area. Beats the $50 per sheet I paid for my build.
 
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