CANNA COGr Buffer Agent is a special liquid that is used to soak and buffer COGr boards. CANNA developed this agent especially for the preparation of this growing medium.
User Instructions
Shake bottle well before use
Fill nutrient reservoir with water
Add COGr Buffer Agent to the nutrient reservoir with the dilution ratio 1:500 (200 ml per 100 litre of water)
The EC of COGr Buffer Agent dissolved in (tap) water varies between 1.5 - 1.8 mS/cm2 (= the solution EC + the water EC)
Recommended pH: 5.5 - 6.2
Add ± 12,5 litres of buffer-solution to each slab
Let the swollen COGr soak for at least 24 hours before draining it!
Storage, health & safety and other directions
Over-fertilisation has a negative effect on the substrate, the plant and nature in general
Store closed in a dark and frost-proof place (UV light breaks down iron chelates in the nutrient)
Keep out of reach of children