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The presence of salt makes nitrite less toxic to marine organisms compared to freshwater environments
accommodating diverse installation needs
the mix delivers excellent water absorption and promotes strong
preventing kinks and cracks over time
Oase FiltoSmart Thermo 300 Refurbished 100-200 The presence of salt makesThe Oase FiltoSmart 300 External Aquarium Filter is a high capacity filtration system designed for medium to larger aquariums up to 300 litres. Combining a compact external design with a large filter volume, it delivers effective mechanical and biological filtration to maintain clear and stable water conditions. This unit also includes a 300W heater, offering a complete solution for temperature control and filtration in one setup. Key Features