Estes Spectrastone Aquarium Gravel - Lake Green fryeri 6”) Skimmer chamber (cm) 42

6”) Skimmer chamber (cm) 42 x 34 (16

increasing exposure to ultraviolet light and improving the treatment of unwanted algae and harmful microorganisms

and safely

only 1-2 more drops should be required to reach the blue endpoint

Yellow-back Damsel

Estes Spectrastone Aquarium Gravel - Lake Green fryeri 6”) Skimmer chamber (cm) 42Estes has been America's number one manufacturer of aquarium aggregates for over forty years. Their products are non toxic and safe to use in aquariums, terrariums and planters. They offer a full line of products that will help you explore your creativity. From sandy beaches to rushing rivers, coastal caves and desert landscapes, they are sure to have the perfect accents to fit your style.