The Tetra GS45 delivers professional-grade algae removal with stainless steel blades that slide out for quick replacement. Its articulated blade holder flexes to match your scraping angle, ensuring consistent contact without excessive pressure. The durable glass fibre shaft resists warping, while guarded lateral edges protect aquarium seams from damage. The white grip lets you monitor cleaning progress in real time. Engineered for both freshwater and marine setups, this scraper combines precision engineering with practical durability for serious aquarists.