Only way by learning is doing. Lol.
Take ur 45gal out front. Get mom or dad to trickle the hose. You can get an overflow kit with box and template and bit and bulkhead off amazon or ebay. U will need aquarium silicon...i recommend a box with a lid. Ive drilled 20Ls. 120g 4x2x2...np. u got it! No tempered. Lol. Watch a video online prior of need be but its really easy.
D
Take ur 45gal out front. Get mom or dad to trickle the hose. You can get an overflow kit with box and template and bit and bulkhead off amazon or ebay. U will need aquarium silicon...i recommend a box with a lid. Ive drilled 20Ls. 120g 4x2x2...np. u got it! No tempered. Lol. Watch a video online prior of need be but its really easy.
D