In the name of Allah, the Most Gracious, the Most Merciful The best type of substrate for freshwater planted aquariums is Seachem Flourite. Stable, porous, clay-based gravel specially designed for natural planted aquariums. Rich in iron and with a natural appearance suitable for planted aquariums, it can be used in any freshwater aquarium environment. - Natural and chemically untreated, will not alter water pH. - Most effective when used alone, but can be mixed with other types of gravel. Price: 1 kg - 35 riyals 7 kg - 140 riyals