OverviewThe Grech (SunSun) CHJ series combines compact submersible pumps with built‑in filtration, offering models for tanks from 50 L to large aquariums:CHJ‑502: 500 L/h, 7 W, 0.9 m head; perfect for small aquariums (~30–70 L).CHJ‑902: 900 L/h, 20 W, 1.5 m head; mid-range option (~80–150 L).CHJ‑1502: 1500 L/h, 25 W, 1.8 m head; suited for larger tanks up to ~300 L .Key FeaturesAll‑in‑one design: Compact pump sponge filter aeration, reducing clutter while adding oxygenation .Adjustable flow: Includes valve to fine‑tune water output and surface agitation .Ultra‑silent operation: Low-watt motors run quietly—great for bedrooms or offices .Fully submersible: Works both in freshwater and seawater, suitable for aquariums and small ponds .Maintenance‑friendly: Built-in sponge is easily cleaned or replaced; suction cups for quick repositioning .SpecificationsModelFlow (L/h)Power (W)Max Head (m)CHJ‑50250070.9CHJ‑902900201.5CHJ‑15021500251.8Why Choose CHJ Series?Space‑saving design: Combines pump, filter, and aerator in a single compact module.Energy‑efficient & quiet: Low power consumption and whisper‑quiet performance.Versatile flow control: Adjustable outlet suits various tank or spray-bar setups.Easy to maintain: Accessible sponge filter and suction mount design make upkeep simple.Installation & MaintenanceAttach unit inside aquarium using suction cups.Plug in to start filtration and aeration; adjust output via built‑in valve.For cleaning, lift unit, wash sponge under tank water, replace, and restart.
