Brightwell Aquatics FlorinVolcanit Rio Cafe F Fine Brown Select Size::5 lb The patented dual ventilation system

The patented dual ventilation system keeps the single front glass door free of condensation

accurate to +/- 1°

The outer sleeve is made from extra-strong neodymium glass

Stimulates natural behavior

When these elements are carefully balanced

Brightwell Aquatics FlorinVolcanit Rio Cafe F Fine Brown Select Size::5 lb The patented dual ventilation systemOverview Natural volcanic ash with beneficial properties for aquatic plant growth and long term care of fishes and motile invertebrates requiring slightly acidic, low GH water conditions. Ideal for use as a substrate in shrimp biotope aquaria. Binds elements that contribute to hardness, lowering GH and resulting in a slightacidification of alkaline water to a pH of less than 7. Used as a primary substrate, forms the basis of a stable growth medium for