WARNING - Who brings that stuff from me?

Quote NDR:

DIY recommend iron fertilizer to remove moss in the lawn, without pointing out the danger. Iron fertilizer contains the active ferrous sulfate, and is classified as toxic pesticides. DIY but sell it as a cheap fertilizer. Physicians and the Federal Environment Agency expressing concern. (...) Dr. Jens Utermann the Federal Environment Agency criticized: "When ferrous sulfate is used as weed control agents against moss, it should not be sold as fertilizer." It also have the dead moss plant parts: they may not on the compost heap or in the organic waste bin still in the household waste. They are hazardous waste and must be disposed of at the heavy metals. (...) If you want to deploy Iron fertilizer properly, but acid-resistant protective gloves, a protective suit, a pair of glasses and a face mask with breathing protection should be worn. Ulrike Opravil the Professional Association of German occupational physicians strongly recommends to follow the safety instructions. "Especially the eyes are in contact with the drug at risk, because the ferrous sulfate in fertilizers can release corrosive sulfuric acid when it comes into contact with the moist mucous membranes of the eyes."

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So please stay away!