Gtechniq G5 Water Repellent Coating for Glass and Perspex Size:100ml Gtechniq Crystal Serum Light is

Gtechniq Crystal Serum Light is an excellent DIY

If you're looking for one of the most effective multi-purpose towels available that is absolutely paint-safe - then this is THE ONE

fuzzy towel - this isn't the towel for you

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and even after five washes still performs better than its predecessor

Gtechniq G5 Water Repellent Coating for Glass and Perspex Size:100ml Gtechniq Crystal Serum Light isLasts up to 4 months Maximum water repellency Easy application Apply G5 to all glass or Perspex surfaces for the best dirt and water repellency. G5 is highly hydrophobic and beads water even at low speeds making driving safer and reducing the need for your wiper blades. Any glass coated in G5 will stay cleaner for longer and any contaminants such as bugs, bird droppings and ice will be easier to remove. G5 offers maximum repellency, but is less