Check the listing for details. Continuum Aquatics AquaBlade P - Acrylic Safe Aquarium Scraper w/ Plastic Bla.... Condition: New. Listed at 48.99 USD. AquaBlade long scrapers feature solid fiberglass handles. Instead of using glues that break-down like other scrapers, the AquaBlade handles are v-grooved from the side and inserted into the head of the scraper during the injection molding process.