I'm having trouble finding Muriate of Potash now. Everywhere seems to
have Sulphate of Potash instead but that is only 48% soluble (if I
remember the label properly).

I presume this is better than nothing but is it safe to use?

--
Regards - Rodney Pont
The from address exists but is mostly dumped,
please send any emails to the address below
e-mail ngpsm4 (at) infohitsystems (dot) ltd (dot) uk