I have some wierd macro algae growing inside it slowing the flow and I cant seem to get it all out. The PF-1200 is designed for aquariums up to 200 gallons, and has a maximum flow rate of 1000gph. It is nearly imossible to clean inside the unit. The Eshopps PF-1200 Hang on overflow box features a compact Dual U-Tube Design. The PF-300 is designed for aquariums up to 75 gallons, and has a maximum flow rate of 300gph. It gets alot of air bubbles trapped inside and you need a dosing pump to continually suck out the air. The Eshopps PF-300 Hang on overflow box features a compact U-Tube Design. At only 3' wide, minimal space is required between your tank and wall. The PF-800 is designed for aquariums up to 125 gallons, and has a maximum flow rate of 800gph. The Eshopps PF-800 Hang on overflow box features a compact U-Tube Design. There are two main things about it though. Your choice Aquatics of-Overflow Box (YCA OF-300). The overflow will set the water level in your display tank, and any water that makes it over the edge of the overflow box will then fall down to your filtration system. The Eshopps PF-300 Overflow Box is a great way to add a sump to your under 75g aquarium. The Continuous Siphon was easy to install, easy to get the air out with the built in fitting and it takes up way less room in the tank. Once filled with water I never had a problem with it losing the water. I had to put a small hose in it and suck the air out then carefully pull the hose back out without lifting the u-tube too high or letting air back in through the hose. The hardest part about it was getting the air out of it to begin with. It does get dirty in there though but its easy to clean. I never had bubbles trapped in there because the flow was way to strong. The Eshopps one takes up alotof room inside the tank and if you have a smaller tank like me you need all the room you can get. They both have advantanges and disadvantages. If you find bubbles forming, it could be a variety of things from too little flow to microbubble build up.I dont know if its too late but I have used Eshopps and Continuous Siphon overflows. Eshopps PF 300 overflow box review - YouTube 0:00 / 9:58 Eshopps PF 300 overflow box review JDO Fishtank 11. Once the siphon is created it is important to keep air bubbles from forming in the U-tube. These high quality overflow boxes features bulkhead. Once all the air is removed the airline tubing must be removed or submerged. The overflow box effectively transport aquarium water to under cabinet sumps, refugiums, or wet/dry filters. You may be required to fill either the internal or external box with more water as the siphon is created. Replace the U-tube into the overflow making sure that the airline tubing is at the apex of the bend and using a pump like a Tom’s Aqualifter to suck the air out of the tube until it is replaced with water. Remove the U-tube and place one end of the airline tubing into the U-tube. Start by filling the aquarium until water flows into the intake box, and then using a cup fill the external box with water until the U-tube end is covered. Slim, compact overflow system for effectively transporting water to the sumps at the most silent noise level possible.Eclipse SmallFor 120-150 gallon. Each box includes everything required to attach it to your system.Ĭan be done with a 1-foot piece of airline tubing. required between your tank and your wall, these boxes are excellent for optimizing space. The PF-300 exterior overflow box (clear) is 6' x 3.25' x 10' and the interior box (black) is 6' x 6' x 2.5'. The gravity-feed system eliminates the need for complicated drilling or aquarium modifications. Recommended Tank Size: 35-75 Gallons Max Flow Rate: 300 GPH. The U-tube style compact overflow boxes are designed to fit between your tank and your wall to maximize space usage in your aquarium setup. The EShopps PF-300 Overflow Box provides a simple way to transport aquarium water to under cabinet sumps, refugiums, or wet/dry filters. The Overflow Box effectively transports aquarium water to under cabinet sumps, refugiums.

These high quality overflow boxes features bulkhead fittings for secure and convenient installation. The overflow box effectively transports aquarium water to under cabinet sumps, refugiums, or wet/dry filters.

Eshopps overflow box pf 300