Spray & Forget SFHD1GRTU Use and Care Manual
Contents
1. Below is a list of variables that can impact the stain removal process when using Spray amp Forget In most cases the end result will still be a clean surface although the desired results may be delayed Drought conditions Spray and Forget will dislodge any existing stains however it requires moderate rainfall amounts to wash the stain away In dry climates or dry weather conditions it will take longer to remove existing stains Premature Saturation The surface should be dry when Spray amp Forget is applied to guarantee full surface penetration In addition we prefer to have at least 12 hours before any heavy rainfall or snow following the application ex dwell time Shade The stains will take longer to fully disappear if the surface is shaded then otherwise Stain Severity Obviously more severe stains spotting can result in longer removal times and in extreme cases a second application may be needed but that is very rare less than 1 of the time Mixed Biological Strains There are thousands of different mold mildew algae moss and lichen strains In fact it is not uncommon to have a mix of multiple biological organisms causing the staining spotting Some of these strains and or combinations of strains can take longer to remove than others Incorrect mix ratio Diluting Spray amp Forget outside of the directed mix ratio whether too strong or too weak can provide varying results Incorrect application equipment Using no2. n recommended application devices can result in poor performance when using Spray amp Forget ex Ortho hose end sprayers are readily available but will dilute Soray amp Forget far too much to get adequate results Temperature Stain removal can take longer in colder temperatures than in warmer temperatures although the end results should be the same Non biological staining Spray and Forget will not remove most non biological stains such as tree sap rust etc Some tips advice to help prevent and expedite the removal of stains caused by mold mildew algae moss and lichen Trim back bushes and trees to allow more sunlight on the affected surface Adjust any sprinkler heads or other water sources ex gutters from directly hitting the surface area Remove all leaves pine needles and other debris from the surface area as often as possible
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