Boyd Chemi-Pure Blue Nano - 5 Pack Fish & Coral Food Si-1 and Si-2 are acidic

Si-1 and Si-2 are acidic and Si-3 contains a reducing agent

or hardscape where it creates a compact

Compatible Danner Item Numbers: 02712

and other reef filter feeders

Boyd Chemi-Pure Blue Nano - 5 Pack Fish & Coral Food Si-1 and Si-2 are acidicBoyd Chemi Pure Blue Nano 5 Pack Boyd Chemi Pure Blue Nano 5 Pack is a compact premium filtration media pack for nano reef, marine, jellyfish, and high pH freshwater aquariums, using small 2 inch x 2 inch nylon media packets that each treat up to 5 gallons. Boyd Chemi Pure Blue Nano 5 Pack for Nano Reef and Marine Aquariums Chemi Pure Blue Nano gives small aquariums the same all in one chemical filtration concept as larger Chemi Pure Blue units, but