Did you put any thing in the seams or do I plan to ??First, PL4000 no longer exists and is replaced with PL400. PL400 is NOT a good adhesive so anyone else building a plywood aquarium buy the PL Premium as PL400 WILL pull apart and the glue will fail not the wood.
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Here is a picture with the 50% solids epoxy which is designed to penetrate the wood and waterproof from the inside out.
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First coat of 100% solids epoxy is on the back wall.
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Glass should be here end of the week then I can put the glass inside the tank and finish the front wall.
I'm in the middle of starting my own 12 by 4 by 3 tall would u recommend using the fiber glass iv seen some guys just use epoxy and have good luck then I see guys fiber glass the hole inside in layers then epoxy on top ? Everyone has there own way but I'd like to hear of the people who still have them running after 5 or more years ! I'm building mine in the wall in my basement I want it last cost isnt the issue I just want it done right !B Box car willy Yes I fiberglassed the second layer of plywood to ensure everything is well sealed. There should be next to no give, other than the front, as the sides and back only have 2x4's between them and the concrete walls.
T theokie The lights are Atlantik V3 Pendant with "fresh water" and "Discus" spec LED's. I powered all 6 on to test and wow, the tank will for sure glow!