Safe for Both Glass and Acrylic Tanks!

• Flipper Platinum Aquarium Hand Scraper for Glass and Acrylic Tanks 18"
• Patent pending design allows you to use any old credit card, gift card, hotel room key etc as a scraper blade....you may never have to buy blades again!
• Blade cards can be inserted in any direction for multiple levels of flexibility
• Cut your own custom blade card shapes for cleaning difficult curved or tight areas of your tank.
• Solid fiberglass matrix handle is practically indestructible!
• Optional stainless steel blade (sold separately) is great for tackling really hard algae deposits all over your tank (for glass tanks only).
  
• Replacement acrylic blades are available as well. 
• Actual Item Dimensions: 18" x 3.6" x 1.5"

Check out a review from BRStv: