DX Extreme Degreaser – Alkaline, highly concentrated (1:200 dilution), formulated with biodegradable surfactants and D-Limonene to break down oils, grease, and organic dirt. Odor-free. HFX Extreme Descaler – Acid-based, highly concentrated (1:200 dilution), with biodegradable surfactants. Designed to remove heavy mineral deposits, scale, and inorganic residues.