Many people choose to reuse or recycle a container as a rain barrel or cistern. Re-purposed containers should be screened to prevent [[Pests#Mosquitoes|mosquitoes]] from breeding, and should be opaque to prevent algae from growing. | Many people choose to reuse or recycle a container as a rain barrel or cistern. Re-purposed containers should be screened to prevent [[Pests#Mosquitoes|mosquitoes]] from breeding, and should be opaque to prevent algae from growing. |