Seachem Flourite Black Sand Substrate for Planted Aquariums Size:Black Sand 3.5 kg (7.7 lb) Most desert soils are not

Most desert soils are not purely sand based but rather a combination of sand

Carbonate & Borate Alkalinity

window-cleaning apparatus

125 ppm 0-64 ppm Comparator 100 Phosphate Pro PO4 0

With Chemi-pure Elite

Seachem Flourite Black Sand Substrate for Planted Aquariums Size:Black Sand 3.5 kg (7.7 lb) Most desert soils are notFlourite Black Sand Premium natural gravel for the planted aquarium Good for the life of the aquarium Natural porous clay with iron and other micronutrients Flourite is a specially fracted stable porous clay gravel for the natural planted aquarium. Its appearance is best suited to planted aquaria, but may be used in any freshwater aquarium environment. Flourite is most effective when used alone as an integral substrate bed, but it may be mixed with