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De-Moss Moss Killer Concentrate 1L

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Moss killer for structural surfaces including roofs, walkways, woodwork, stucco, fences and greenhouses; kills moss quickly and effectively.
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De-Moss Moss Killer Concentrate 1L

Structural Surfaces: Mix 1 part concentrate to 20 parts of water or 50mL concentrate per 1L of water. Spray on overgrown surfaces, wetting thoroughly. Suggested dosage: up to 550mL spray solution per square metre surface. For best results avoid applying during rain or snow. Repeat treatments annually, or at onset of moss recolonization. Moss sprayed during the growing season should discolor within days of application. Growth sprayed during dormant (cold) season may discolor over a longer period.


For tank sprayers mix 1 part concentrate to 32 parts water or 32mL of concentrate per 1L of water.

For hose-end sprayers use a No. 10 setting to deliver approximately 32 mL per litre.

Wet moss and grass before spraying. Spray infected areas thoroughly with spray solution to approximately 1L per square metre. Avoid overlapping spray to eliminate risk of grass damage. Water treated area 1/2 hour after spray application. Dead moss will turn color after about 1 week and should be raked out. Any spots of living moss found after 4 weeks may be treated again.