Moss kill is rapid and iron also stimulates a "green-up" of turf. A complete fertilizer that includes iron will stimulate healthy growth and kill moss at the same time. ... Salts and chelated iron products applied as liquids are generally effective on moss at 0.5 - 1.0 lb.
What kills moss permanently?
Chemical moss killers containing ferrous sulphate (also called sulphate of iron) are the most effective method of eradicating moss in lawns. Some chemical moss killers also include a fertiliser, which is useful for lawns where the grass has lost its vigour.
Does soluble iron kill moss?
Sulphate of iron, iron sulphate or ferrous sulphate has a number of uses on the lawn. ... Used on its own and applied at a rate of 10 grams per square meter, sulphate of iron kills moss very quickly, however, the duration of kill is relatively short. This is why the moss is removed from the lawn shortly after treatment.