Dean’s Fishroom Posted August 13, 2020 Share Posted August 13, 2020 So generally I drill all my tanks in the top right back corner for an overflow for my auto water change system. I typically use a 3/4" or 1" bulkhead fitting through the tank and from there into the drain pipes. Inside the tank I use a black elbow fitting cut to the right size or adjusted to the right angle to set my tanks water level. All this works great for me without any issues. So what I haven't tried but want/need to is: I want to drill a second hole for a 1/2" bulkhead about 2" from the bottom of the tank. On the inside there would either be a low profile strainer or a prefilter sponge set up. from the outside I want to go straight into the input of a canister filter. Of course I would have to install a shutoff and disconnect to service the filter. What I'm trying to do is eliminate the siphon tube from inside the tank for a cleaner look, and this could be a precursor to something in the future. Anybody out there done this? Or, can anybody punch holes in this idea, I don't like water on the floor? I bought some tanks from the dollar per gallon sale and my glass drill is itching. 1 Link to comment Share on other sites More sharing options...
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