Correction - Pump is about $400, not $100.
Solar and aerator setup for small pond.
Pump - www.amazon.com/gp/product/B00JGUMUGC/ref=ppx_yo_dt_b_search_asin_title?ie=UTF8&psc=1
Weighted hose - www.amazon.com/gp/product/B00B5K55J0/ref=ppx_yo_dt_b_search_asin_title?ie=UTF8&psc=1
Solar Panels - www.harborfreight.com/100-watt-monocrystalline-solar-panel-57325.html
Solar Panel connector - www.harborfreight.com/400-watt-universal-solar-connector-68689.html
Battery - www.amazon.com/gp/product/B075RFXHYK/ref=ppx_yo_dt_b_search_asin_title?ie=UTF8&psc=1
Charge Controller -www.amazon.com/gp/product/B07G1PL1B9/ref=ppx_yo_dt_b_search_asin_title?ie=UTF8&psc=1
Low Voltage Cutoff - www.amazon.com/gp/product/B09ZTHRD3G/ref=ppx_yo_dt_b_search_asin_image?ie=UTF8&psc=1
Solar panel mounts - www.amazon.com/gp/product/B00I2YFKQK/ref=ppx_yo_dt_b_asin_title_o00_s00?ie=UTF8&psc=1