Getting rid of excess nutrients in plants and substrates. Growing with CANNA from clone to crop! Many of you have requested these products as you had to use a different brand for these specific tasks instead of using CANNA the whole way. Well here is the proof CANNA listens to you! Although you can have more then excellent results without these two products some Connoisseur growers out there simply want to use it to make sure their crop is like no other, now you can! Use CANNA all the way. CANNA Flush is an additive to clean substrate and plants from any excess nutrients. To be used in the case of over fertilisation, it effectively cleans the substrate without killing any useful bacteria or benefi cial fungi, as can be the case when using RO- or demineralised water. When used just before harvest it makes sure the plant gets rid of all excess’ which will lead to a clean and tasteful harvest.