My reply was in relation to these type of products....
https://www.yates.com.au/products/la...feed-granular/
These are high in iron, which make the lawn super green but also burn off the foliage of broad leaf weeds, leaving the root system behind to regrow.
As per above, ALWAYS apply at the recommended rate. This is something that I always make clear to the customer, ie: more is not better.
