You can buy Reflectix foil-backed insulation at hardware stores. I wrap most of my self-watering 5 G buckets in it. Extra insulation to keep the root zone cooler, keeps the sun off the buckets for longer life, and no algae.
I also add a layer of jute fabric so my neighbors don't complain about the appearance. Neighbors...
Aluminum foil on top of the bucket can focus sunlight on foliage and really burn leaves, be on the lookout. I mulch my buckets with pine bark and then sow miniclover for a living mulch and free nitrogen. Miniclover only grows a few inches tall.
Last edited by fonseca; September 22, 2015 at 09:40 PM.
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