Description
Seachem Tidal™ Filters
Seachem Tidal™ Filters provide high-performance filtration for freshwater and saltwater aquariums. Available in sizes 35, 55, 75, and 110 gallons, they combine biofiltration, mechanical filtration, and chemical filtration flexibility with convenient, low-maintenance features.
Core Features Across All Models
- Ventilation slots: Aeration grooves in the outflow ensure fully oxygenated water and maximize gas exchange.
- Bottom-to-top flow: Water enters at the bottom of the basket and exits at the top, ensuring full contact with filter media.
- Maintenance alert: Clogged media triggers the blue maintenance alert, indicating cleaning is required.
- Surface skimmer: Removes oils and floating debris from the water surface.
- Flow regulation: Front dial adjusts pump flow; side dial adjusts intake vs surface flow (55, 75, 110 models).
- Large-capacity media basket: Holds media of your choice; all filters include Matrix™ bio-media to get started.
- No filter cartridges required.
- Self-priming pump: Easy start-up without filling basket or siphoning.
- Self-cleaning impeller: Corrosion-resistant and suitable for freshwater or saltwater.
- Adjustable leveling device: Ensures proper setup on uneven tanks.
- Heater holder: For attaching heaters (55, 75, 110 models).
- No mess maintenance: Removable basket snaps into lid for drip-free cleaning.
- 3-year warranty (extendable to 5 years by registration).
Tidal™ 35
- Aquarium size: Up to 35 US gallons (130 L)
- Pump flow: Standard (model-specific)
- Unique feature: Compact design with bottom-to-top flow and surface skimmer.
Tidal™ 55
- Aquarium size: Up to 55 US gallons (200 L)
- Flow rate: 250 US GPH (1000 L/H)
- Watts: 6 (120 V – 60 Hz), 5 (230 V – 50 Hz)
- Filter volume: 0.32 US gal (1.2 L)
- Dimensions: 8 1⁄16" × 6 ⅛" × 8 ⅜" (20.5 × 15.5 × 21.4 cm)
- Additional features: Telescoping intake pipe, heater holder, intake flow regulation
Tidal™ 75
- Aquarium size: Up to 75 US gallons (300 L)
- Flow rate: 350 US GPH (1500 L/H)
- Watts: 8 (120 V – 60 Hz), 7 (230 V – 50 Hz)
- Filter volume: 0.50 US gal (1.9 L)
- Dimensions: 10 ⅛" × 7" × 9 ½" (25.5 × 17.8 × 24.2 cm)
- Additional features: Telescoping intake pipe, heater holder, intake flow regulation
Tidal™ 110
- Aquarium size: Up to 110 US gallons (400 L)
- Flow rate: 450 US GPH (2000 L/H)
- Watts: 12 (120 V – 60 Hz), 10 (230 V – 50 Hz)
- Filter volume: 0.85 US gal (3.2 L)
- Dimensions: 11 ⅝" × 7 ⅝" × 9 ½" (29.5 × 19.2 × 24.2 cm)
- Additional features: Telescoping intake pipe, heater holder, intake flow regulation
Package Contents (All Models)
- Tidal™ Filter unit
- Matrix™ bio-media
- Foam filter
- Telescoping intake pipe (55, 75, 110)
- Leveling dial
- Heater holder (55, 75, 110)
- Instruction manual




