Depends on how much separation there is in the silicone joints. The glass, plus them cutting it came to less than $15. The space between each baffle needs to be 1" and the middle baffle should be raised up 1.5" from the bottom of the tank. hello my friends im in the work of my new sump and im not sure how big i should get the glass the sump is a 40g breeder 36LX17.5x16h im getting 4pcs Baffles will be cut 1/8" less than your measurement to avoid pressure on the walls of your sump. Smoked glass does cost a little more than clear, but since you only have to make the sump once it is more than worth it … Sump is a 15g H standard AGA: 20x10x18 Still working out the placement to allow room for equipment...but let's assume I take the baffles right to the top...so 18 inches high. Divide the sump into sections with water entering at one end and exiting at the other – but in the middle being forced up and down through the baffles and through media. Hey, so starting a sump/fuge and want some advice on how thick the glass should be for my baffles. This sump is built from a standard size Aqueon 20-long, with three glass baffles siliconed in place to create the different sections. Then a single edged blade to get off what’s left. If so, the standard up and over design with glass baffles will be fine. Smaller Water Usage. What is the best method of gluing acrylic baffles to a glass aquarium (sump)Â I have used 100% silicon in the past and it seems to work pretty well, but I'm building a sump out of a 75g aquarium for a massive tank with a whole lot of overturn so I don't want to risk having the baffles break or become unglued from the sump. I was thinking 1/8" but that seems too thin and 1/4" seems overkill. Prior to that I had used acrylic baffles on a different glass sump. Smoked Baffles: Smoked baffles prevent the light on the refugium from growing algae throughout the entire sump, which can be a pain if not almost impossible to keep clean. The first two baffles force water flowing into the sump down through the mechanical media and then up into the second section. The baffles are marked with an arrow indicating the top rounded edge I routed for you. Quiet Water Flow. Easy Installation. If there’s a bit of space a PVC cable saw is a great way to get through the joints. DIY Acrylic Sump Baffles Build in Splash Guard. I used 1/8in glass baffles on my old 10 gallon sump. All baffle kits are made with 1/4" clear acrylic. The top of all baffles are rounded over to avoid sharp edges when working in the sump. !Then I just used 100% silicone to seal it in place. If adding a sump-based skimmer, leave an extra chamber after the mechanical media. I got scrap glass from Ace Hardware. Silicone for sump baffles doesn’t really matter. I tried to put a bead of silicone on the glass peice first and … This is a comfort edge so you don't get cut by a sharp edge when reaching into the sump, ever. They are going to be 15" long by 12" high, but I'm not sure how thick to make them. I always have glass cut to size by a local glass store. Hey guys I'm having the glass baffles foru sump cut tomorrow. Design For Glass Aquariums. Design For DC Pumps Replacing Traditional 3x Baffles Configuration. Hey EBL, I added a baffle to my Oceanic Reef Ready Model 2 sump, I went to my local glass cutter, and orderd a piece (measure 4 times!! No other colors are offered. Adjustable Baffle Width.