Brightwell Aquatics RedoxIclean - 500 ml itemID-2170 The Spectrum family of formulas

The Spectrum family of formulas all feature high-density

The recommended flow rate for the submersible pump is 145 to 264 gph (550 to 1000 lph)

the pumps will start up automatically after a delay of 20 seconds

the REEFER 425 is quiet

So we feel it's worth the extra money

Brightwell Aquatics RedoxIclean - 500 ml itemID-2170 The Spectrum family of formulasImmediately Improves Water Quality in all Reef, Marine and Freshwater Aquaria Overview Immediately improves water quality in all manner of aquaria by enhancing the rate of particulate and dissolved organic material decomposition, enabling the constituents to be more effectively removed with protein skimming, activated carbon, and other means of biological and chemical filtration. Safe for use with all fishes, invertebrates, and plants. Particularly