DIY Plywood 1200Gallon -Officialy Started

  • We are currently upgrading MFK. thanks! -neo
IMO: It's the seams in the floor that are not supported properly.

The seams of the plywood need to be sitting on top of the 2x material (Preferably dual 2xs side by side for added support)

Without this being supported the seam will just sag and cause a micro fracture in the epoxy and leak.

And yes it’s possible the water could be following a void in the plywood elsewhere and drip out several feet from where the actual leak is.

When I was battling my leaks I was lucky that the leaks were within a foot or two of the actual leak spot.

It was always in the bottom corner seams and always after 30” of water.

Hope you find them, I know how frustrating they are. Hang in there.
 
I will add a new layer of fiberglass on the bottom, got it today.. I have taken a little time off, getting everything else in shape.. Now there is 2x190 gallon tanks, 3x60 gallon tanks and 3x40 gallon tanks in the room aswell.. I am wondering if i should drill a hole in the bottom of the tank, and have a valve there, as the 2 last cm of watter are a real hassle to take out. I must admit, those 2 centimeters have bin the reason for the break, stupid, but true.. The fact that a micro micro leak can make so much hassle.
 
hey guys. Didnt see that there was people writing in here before now :) I have had a little break from it all, now all the rest of the aquariums is inside the aquahouse, so now im ready again. Few days back i fiberglassed the problem area in the bottom, where the drops were, tomorrow there will probably be a test run :) Will take measures under the tank with a distance meter, and see if there is alot of movement in the bottom plate. If there is, i got a problem, needless to say. If its not good at this point, i think il order some liquid rubber to put on the tank, as that stuff has better flex. I cant wait til tomorrow, but i gotta be honest, i dont really expect anything.. I could have started the filter installation, but havent had the time, nor motivation.. Will be sexy when filled tho.
 
Since i got sick, i didnt get to fill it all yesterday, so i started again today. Its now 3\4 full, and way past leaking point. About leaking i cant see any water now, but i just stopped the fill, and it takes time to show, so about that i dont know til tomorrow or later today.. I did have alot of distance point i checked today, the most flex i have in the bottom is 3mm, so there is not much flexing in this tank(as assumed before). Is 3mm alot btw? to me it seems like nothing.
 
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