Can anyone please tell me how to dilute sulphate of iron in water for spraying on lawn moss. Is 30 grms to 1 litre too strong or not strong enough? Thanks
Doesn't it say on the packet?
http://www.lawnsmith.co.uk/downloads/Advice%20and%20Procedures/Soluble%20Iron%20Application.pdf Try this link it shows quantities dependent on need.