1 Biologics are expensive. 2  A biologic drug may cost about $1,000 or more per month. 3  Before starting to take a biologic medication, make sure you can afford it either through insurance coverage or your own finances.
Fertilizer Stains on Concrete. Fertilizer rust stains on concrete comprise some the most powerful and embedded tough rust stains to eliminate. These stains can be removed with our professional concrete rust removal product, F9 BARC.[img src=http://www.front9restoration ....9 rust removal productâ F9 BARC â is the most effective concrete rust remover and will not harm plants and grass. Professional application by professional power washing companies is required for maximum results, due to the nature and depth of these types of stains.
1 No. Concrete acid stain is not a topical coat like concrete paint or acrylic stains. 2  It penetrates the surface and chemically stains the concrete surface. 3  Acid Stain is to concrete, as wood stain is to wood. An acrylic clear sealer with paint pigments added. 2  When using acrylic stains, you are being tricked into painting your concrete. 3  Acrylic stains are only disguised paints designed with the sole purpose of seperating you from your cash.