Canna Hydro or Substra as it was originally called is the original nutrient from Canna engineered for run-to-waste hydroponic systems.
As substrates such as Rockwool and clay pebbles are inert Canna Hydro has been formulated to contain all the elements your plants need without causing too much to leach into the environment.
Canna Hydro has been designed to work with either hard or soft water and as such is available in two blends to suit either. As with all Canna nutrients, it is possible to ‘lock up’ your plants if you overfeed them so take it easy with the overall level of feeding, and flush regularly for best results.
Also suitable for Perlite.
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