Algal
blooms are the result of excess nutrients that occurs in bodies of water. This primarily due to excess forms of nitrogen, phosphorous, and potassium which occur from various forms of chemical fertilizers (NPK). The algal blooms harm other aquatic life in two different ways. Algal blooms are located at the top of a waters surface which increases turbidity and blocks the sun exposure which prohibits plants beneath the surface to photosynthesize. Like all plants algal blooms thrive off of a nutrient rich environment and consume oxygen, a limited resource. Due to their high turnover rate or short life cycle they are not able to put oxygen back into the environment via photosynthesis like other plants.. The aerator aims to address the problem of lack of oxygen. The aerator has strategically located cavities along the sides which allow for the water to permeate through and release dissolved oxygen. The design has a sloping interior (sharp concave) Â increasing the pressure gradient and is also dual input both allowing for the maximization of oxygen output. Our model is an open source available to anyone and can easily be scaled to meet diameter and size needs before being 3D printed enabling flexibility to the aquatic environment. We have started a fundraiser to acquire PETE and PET plastic bottles so that the aerator can be printed and composed primarily of recycled plastic, helps with killing the algae while being both eco-friendly and cost-friendly.
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