buffalo_soldier
Member
- Location
- cumbria
To be fair we weren't getting any growth until about a week ago. 20 to 100kg growth overnight
But in answer to the OP, go online and read RB209, its not 100% but will give you a rough idea and give you something to help plan applications over a year or two.
Do you burn up in the summer?
That's not something I have to worry about gladly/sadly.