Roosterlorn said:
Aluminum Sulphate and excess free Aluminum ions have little or no affect on other acid loving flowering shrubs
Well ..... the sulfate ion will still react to produce sulfuric acid and acidify the soil. But it is only in very specific occasions that aluminum can be good. Nearly all the time, aluminum in any form is a bad thing to add to the soil.
When the debate is lost, slander becomes the tool of the losers. - Socrates
