#grownostr #backyard #pond filling up a simple $50 4x8 pond to grow more azolla. $20 7x10 liner from Amazon. 3 2x6x8 boards, 4 castle cement blocks. https://nostr.build/av/f45e8de0c0b53b594eb5efc6512fd8703ba734160b07d896637c9a8fa38658bd.mov