Use Fish Aquarium Water for Your Houseplants

Welcome to the Member Ideas area! This community feature is where our members can post their own ideas. These posts are unedited and not necessarily endorsed by the National Gardening Association.

Posted by @Skiekitty on November 6, 2012

For people who keep freshwater aquariums: when you do your water changes, keep the water for your houseplants or take it outside for your garden. Fish Emulsion is a nice way of saying fish poo, and a lot of expensive organic fertilizers are "fish emulsion". Why spend $20 for a bottle of fish poo when you can get it for free from your aquarium?