The purpose of the flap (or weir door) in a pool skimmer is to regulate the amount of water circulating into and out of the skimmer. The flap is connected to an adjustable arm which allows you to manually adjust the height of the flap. When the flap is in the open position, more water is drawn into the skimmer, allowing it to more effectively A pond skimmer is a device you install at the edge of your pond to skim floating debris off the surface of the water before it has a chance to sink to the bottom of the pond. Skimmers significantly reduce the nutrient load in the water, leading to a healthier environment for fish, less algae and a lot less maintenance for you. We install Skimmers work by drawing water through an opening in the side of a pond, then passing it through a filter where debris is caught and removed. By using a skimmer, you help to reduce the amount of debris that accumulates in the water, making it easier to maintain healthy water conditions. There are 3 ways to achieve a set water height around your skimmer: 1. Sit your protein skimmer on a stand or blocks to raise it to the correct height. 2. Install a glass baffle in your sump to act as a dam and fill the water in that compartment to the correct height. 3. Connect a pipe to the "Waste" port of the filter valve to divert backwash water to a desired location. Connect the auto fill valve kit pipe to the water source. Attach the auto fill valve kit to the HydroClean™ pond skimmer. The float threads into the inside ½" port and the barb fitting threads into the outside. Skimmers are the most common and cost-effective way to meet this requirement. This webinar provides information on the basics of how skimmer work and why they are utilized, importance of understanding flow rate and detailed information on how to design a sediment basin with a skimmer. Objectives: Understand what a skimmer is and why it is used As water level drops to open the vent, the siphon stops, and normal flow resumes.Outflow varies as water level in the pond drops during draining. When the difference between the water level and the outflow pipe reaches about two feet, flow may stop. Therefore, extend the outflow to a point four feet lower than the intake screen. To drain pond: Not only do these make the pond look like a swamp, but they also make it quite uninhabitable if left unattended. Pond skimmers are one of the best devices that one can have to deal with this problem. Pond skimmers can immediately suck in a vast amount of dirt, debris, and organic matter. Some of them can even filter different materials making Install a float valve on your pond to replenish water from evaporation. Helix Skimmer Pond Float Step by Step installation instructions. How does a pond skimmer work? A pond skimmer works by creating tension on the water. This “tension” draws water into the pond skimmer. Within the skimmer is a basket and/or filter sponge. All the debris gets pulled into the basket and smaller particles get trapped in the sponge. 8p4F2.