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What are the best ways to prevent lichen on granite?
Lichen growth on granite surfaces can be unsightly and damaging over time. To prevent lichen on granite, follow these effective methods:
1. Regular Cleaning: Use a mild detergent and warm water to scrub the granite surface periodically. Avoid harsh chemicals that may damage the stone.
2. Proper Sealing: Apply a high-quality granite sealer to create a protective barrier against moisture, which lichen thrives on. Reapply as recommended by the manufacturer.
3. Sunlight Exposure: Lichen prefers shaded, damp areas. Trim overhanging branches or foliage to allow more sunlight to reach the granite, reducing lichen growth.
4. Vinegar Solution: A natural remedy is a mixture of white vinegar and water (1:1 ratio). Spray it on affected areas, let it sit for 15 minutes, then scrub and rinse thoroughly.
5. Pressure Washing: For stubborn lichen, use a low-pressure washer to avoid damaging the granite. Combine this with a gentle cleaning solution for best results.
6. Preventive Measures: Keep the granite dry and free from debris. Regularly inspect and address any early signs of lichen to prevent spreading.
By following these steps, you can maintain the beauty and durability of your granite surfaces while keeping lichen at bay.
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