its a nice budget grow you have there, I might comment on the aluminium foil, the way you have it it's reflecting light/photons everywhichway but loose, i dont really know if there is much you can do about that though, maybe enter the marshydro testing competition, you might get lucky.https://www.autoflower.org/threads/mars-hydro-ts1000-grow-tent-kit-looking-for-tester.87646/