This is a plastic bottle for soaking small glass items with Superge solution. You can make a proper cleaning solution easily by filling the water up to the level of the bottle shoulder, and adding a capful of Superge.
This is a scraper to remove algae on the aquarium glass surface. Its handle can be extended with an optional Extender for the use in a large size tank. Also, Pro Razor Mini is for small tank and narrow space of aquarium. The replacement of blade is necessary once it is getting hard to remove algae.
Ideal when trimming larger leaves and stems near the surface of the water where a shallow angle remains effective. In marine and reef aquaria these work very well in trimming soft coral with ease to maintain shape, spacing or to produce frags.