hygger HG120-S Series Aquarium Biochemical Sponge Filter User Manual

Learn how to set up and maintain your HG120-S Series Aquarium Biochemical Sponge Filter with this comprehensive user manual. Find specifications for models HG120-S, HG120-M, and HG120-L, along with step-by-step instructions on sponge replacement and cleaning. Discover the benefits of using this versatile filter in both freshwater and saltwater aquariums. Regular sponge replacement ensures optimal filtration efficiency every 4-6 weeks. Restore sponge shape by soaking in water for 10-30 minutes.