Rock and Waterfall Scrubber 7lb.

Rock and Waterfall Scrubber

• Breaks down debris that forms on rocks and submerged surfaces
• Controls and prevents a broad spectrum of debris that forms in water gardens, waterfalls, fountains and standing water
• Powerful oxidation reaction is fast-acting and effective; noticeable results in as little as 48 hours
• Concentrated formula
• Safe for fish and aquatic plants