So I bought a 40 breeder to put outside over the summer and farm plants. Just got around to setting it up yesterday and was having a bit of trouble leveling it. It’s in the yard on concrete blocks with a piece of plywood. I had it pretty level and filled it up half way. This morning I came out to an empty aquarium. No noticeable water on the wood or blocks so it must’ve drained in the night. I refilled it and I swear the water level dropped over a few hours again with no noticeable leaks or water running down the stand. I broke it down and moved it onto the patio to test again so it’s definitely level now. It’s been 5 hours and it seems to be holding water. Obviously while it’s outside the water draining isn’t a huge issue so long as my plants and fish aren’t harmed though it drained completely so that is concerning. Anyways I had planned to move this inside after summer so now I’m not sure what to do. I have silicone but can’t pinpoint the leak and currently I don’t see one. Also it’s under warranty currently. Could a slightly unlevel (<1/16”) surface have caused this and what should I do moving forward?