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Ferrous Sulfate
was generous enough to help design a ingenious "non-equal cavity compression” technology
Optimum is the most nutrient-rich flake available
so you get twice the blade life
Dymax Phosphorous Plus 300ml INTERNAL FILTERS Ferrous SulfateDymax Phosphorus Plus 300ml Phosphorus is one of several elements that are vitally important for maintaining a vigorous level of growth in a planted aquarium. Dymax Phosphorus Plus is vital biological element for the growth of aquatic plants, as stunted growth is a sign of phosphorus deficiency. The ideal phosphate level will vary from 0. 15 1. 0 mg l. Phosphorus Plus as directed, will enhance and accelerate the growth of aquatic plants without