Razor Marine Unique Marine Systemic System Cleaner designed to target & clean surfaces of live rock, coral decorations & tank walls Overview Complex systemic cleaning polymer product, specifically formulated to clean aquarium live rock surfaces & decorations systemically. You can see it at work on youtube under the title Horrible Algae Out Break Before and After Treatment Freshwater and Marine are all exceptional. It Is Not An Algaecide. Benefits are: 1. Gentle loosening of ugly accumulations of unwanted substances such as hair algae, debris & coatings which makes their removal by scraping & vacuuming much easier. 2. Flocculation of particulate matter from leftover food, detritus & precipitation 3. Prevents particles from settling on rocks & accumulating 4. Overall cleaning action making the aquarium cleaner, clearer & more desirable, helps keep glass clean longer. Razor Marine is slow acting & may require multiple applications to achieve the effect desired by the user. Used as directed, it is safe for marine fishes, hard & soft corals,& other inverts, as well as most macro-algae. Instructions & Guidelines Shake product well before using! For every 50 gallons ( 190 L ) of aquarium volume: Introduce the following dosages of this product into a high flow area of the main aquarium. Day 1: add 2½ ml (½ capful) Day 2: add 5ml (1 capful) Day 3: add 7½ ml (1½ capfuls) Day 4: add 10 ml (2 capfuls) Day 5: add 12½ ml (2½ capfuls) Day 6: add 15 ml (3 capfuls) For maintenance, add 7.5 ml (1½ capfuls) every other day or as needed.