Oase Crystalskim 600Product Description Launch date end of 2021 The new CrystalSkim surface vacuum cleaner ensures crystal clear water surfaces and active gas exchange in your aquarium. The vacuum cleaner uses a powerful adjustable motor in a compact size. Floating ring The skimmer uses a floating ring for long maintenance intervals until the water level is refilled. Integrated basket The basket is integrated so that nothing accidentally gets stuck that only gets in the