SunSun HW-304B Review

Looking for a solid and inexpensive canister filter for your marine or freshwater tank, that filters and provides UV sterilization up to 150 gallons?  Look no further because the SunSun HW-304B provides tremendous bang for your buck!

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SunSun has come onto the scene and appears to have designed its canister filters to provide great value at an exceptional price. They appear to have succeeded.  The SunSun HW-340B boasts a 5-stage external canister filter *and* includes a built-in 9 watt UV sterilizer, all powered by a pump rated at a respectable 525 gallons per hour. The unit comes with 4 media trays that can hold media sufficient for mechanical, biological and chemical filtration, and out of the box it includes all the filter pads, hoses and other various parts needed to operate. The unit also has a water flow regulator so that output flow can be adjusted to accommodate smaller tanks or fish more sensitive to strong current.

The great thing about the SunSun HW-340B is that it utilizes similar technology and a design comparable with much more expensive models.  It is therefore a great buy for any aquariast looking for the superior filtration capability of a solid canister filter, as well as the benefits of a UV sterilizer. The addition of the UV sterilizer alone is huge bonus, as UV light treatment is great for controlling pesky green water problems and other unwanted suspended microorganisms and parasites. Moreover, the word on the street is that this filter performs very well and holds its own with more recognizable brand names out there. Indeed, this filter checks all the boxes: good flow rate, lots of media trays, UV sterilizing capability, and all the standard hoses and fittings to get your tank running like the pros.  Thanks to SunSun, great performance and top-end features do not always need to come with a top-end price tag.

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