Working well except my sump is a little on the small side. Max flow rate depends on the surface area of holes you drilled into the box for overflow and the tubing size (or number of tubes you use).Īm using a Ehiem compact 1000 pumping the return via a chiller to the tank. Like a regular overflow box, it will work when power restored (eg doing tank maintenance), no need for priming again. The idea is of course from youtube, just that I try to make do with what is available at home and avoid PVC (do not like the PVC look and wanted something transparent/visble) a couple of clamps and support to hold the overflow boxes small fish tank as sump with acrylic plates cut and siliconed to make the baffles coarse sponge to reduce splash and noise 12mm plastic tube cut to short length as holders to hold the overflow tubings better and neatly (optional) 0:00 / 6:24 HOW TO: 10 DIY aquarium overflow - UPGRADED and MODIFIED TUTORIAL The king of DIY 1.54M subscribers Subscribe 814K views 7 years ago DIY aquarium overflows How to build a DIY. 2 longish food containers (raided from my kitchen) I attached the original drawing so that everyone could get an idea as to what I am talking about.Made an overflow box with common materials for my 50L nano tank so that filter maintenance will be easy and allow me have more filtration choices If anyone is interested, I don't mind to explain in more detail or give some pointers. I just held it in place as I pulled the tape off.Īfter curing for 72 hours, I filled the overflow up to the holes and made sure there were no leaks. Taking it off of the box was a little tricky because the box wanted to move with the tape. I was careful not to move the box at all. I put on a pair of disposable rubber gloves and used my index finger to smooth the sealant out (inside and out). I then put the overflow box in place and pushed it firmly. After taping, I ran a healthy bead of sealant along the sides and bottom of the tank where the lines that I drew were. I didn't put tape on the bottom of the tank because I hefty sand bed and it would be hidden from view. This will keep your seals looking nice and neat. I made sure not to get tape anywhere that would be sealed to the tank. I also did thins 1/2" away from the sides of the overflow. I then placed masking tape inside the tank about 1/2" away from the lines on both sides. I cleaned the inside of the tank (along those lines) with denatured alcohol. I drew on the outside of the tank with a sharpie so that I would know where to put the sealant. I placed the box in the tank and lined it up exactly where I wanted it to be. When the smaller section was pointing straight down (90 degrees from the larger section), I removed the clamps and held it in place at the 90 degree angle until it cooled down. When the acrylic heated up, it started to bend. I clamped the larger side down and used a heat gun to heat the acrylic sheet up along the line where the 8th hole should have been. I would probably have had to drill smaller holes to keep wondering bodies out of the overflow.Īfter drilling, I removed the protective film from both sides of the acrylic and clamped it down on my work bench. Also, I could have drilled the 10 holes then cut the acrylic down from the top to make slots, but again, I wasn't sure how fragile it would have been. I could have drilled all of the holes on the water line, but I wasn't sure how fragile the acrylic would have been. I then drilled 3 more holes above those holes to act as a surface skimmer. After that, I measured my tank to see exactly where I wanted my water level to be. I used a grinding bit on my dremel that was about 1/2" in diameter. I measured over 1" from the side, drilled a whole every 1", skipped the 8th hole spot, then drilled 3 more holes. I was very careful and slow with the saw so that it would not break the acrylic.Īfter I cut it, I measured down 1" on one of the 12" sides and I drilled a whole every inch, but I skipped the spot where the 8th hole should be (this is where the bend would be). I left the protective film on before I cut. The section that I cut off was 12" x 19.5". I cut a section of the sheet off with a jig saw. I bought a 4' x 4' sheet of 1/8" thick black acrylic and a tube of aquarium sealant. I thought I would mention that, because if build one for the right, the holes would be in different places. These overflows are positioned in the back left corners of my tanks. I didnt have an angel food cake pan the cake rose to the very edge of the pan but did not overflow. I just finished my second one for my second 55 gallon tank. 1 box (16 oz) Betty Crocker Angel Food Cake Mix. I should have taken some pics, but I forgot. Thought I might pass this on just in case someone out there was thinking of building their own corner overflow box.
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