TECHNOLOGY FOCUS - BIOTECHNOLOGY - Preferred Enzyme: The acid cellulase enzyme is derived from Trichoderma reesei and/or Aspergillus niger. The acid lipase enzyme is derived from Aspergillus niger, Mucor meihel, Phizopys arrhizus, Pencillium roqueforti, Candida cylindracea, and/or Staphylococcus aureus (especially Candida cylindracea and/or Aspergillus niger).    TECHNOLOGY FOCUS - INORGANIC CHEMISTRY - Preferred Salt: The water soluble carbonate salt is selected from lithium carbonate/bicarbonate, sodium (Na) and potassium (K) sesquicarbonates, Na-carbonate/bicarbonate, K-carbonate/bicarbonate, Calcium-carbonate/bicarbonate and Magnesium-carbonate/bicarbonate.Preferred Acid: The water soluble acid is selected from formic acid, acetic acid, hydroxy acetic acid, propionic acid, butyric acid, valeric acid, caproic acid, gluconic acid, lauric acid, palmitic acid, stearic acid, citric acid, sebacic acid, tartaric acid, succinic acid, malic acid, uric acid, polymaleic-acrylic acids, maleic acid, benzoic acid, fumaric acid, isophthalic acid, terephthalic acid, suberic acid, pimelic acid, malonic acid, glutaric acid, adipic acid, lactic acid, acrylic acids, polyacrylic acids, hydrochloric acid, hydrofluoric acid, hydrobromic acid, hydroiodic acid, sulfuric acid, sulfamic acid, sulfurous acid, phosphoric acid, phosphorous acid, polyphosphoric acid, hypophosphorous acid and boric acid.    TECHNOLOGY FOCUS - ORGANIC CHEMISTRY - Preferred Acid: The water soluble acid is selected from formic acid, acetic acid, hydroxy acetic acid, propionic acid, butyric acid, valeric acid, caproic acid, gluconic acid, lauric acid, palmitic acid, stearic acid, citric acid, sebacic acid, tartaric acid, succinic acid, malic acid, uric acid, polymaleic-acrylic acids, maleic acid, benzoic acid, fumaric acid, isophthalic acid, terephthalic acid, suberic acid, pimelic acid, malonic acid, glutaric acid, adipic acid, lactic acid, acrylic acids, polyacrylic acids, hydrochloric acid, hydrofluoric acid, hydrobromic acid, hydroiodic acid, sulfuric acid, sulfamic acid, sulfurous acid, phosphoric acid, phosphorous acid, polyphosphoric acid, hypophosphorous acid and boric acid.Preferred Composition: Glucano-delta-lactone, sodium bisulfate or sodium bisulfite are used in place of the water soluble acid. The cleaner is free of sodium chloride.The acid lipase enzyme is present in an amount of 0.01-15 (preferably 0.5-8) wt%, the acid cellulase enzyme in an amount of 0.01-15 (preferably 0.5-8) wt%, the water soluble carbonate salt in an amount of 10-50 (preferably 15-45) wt%, the water soluble acid in an amount of 10-50 (preferably 15-45) wt%, the surfactant in an amount of 0.5-8 (preferably 2-5) wt% and the thickening agent in an amount of 0.1-4 (preferably 1-2) wt%.A specified cleaner comprises 1-6 wt% of the acid lipase enzyme, 2-7 wt% of the acid cellulase enzyme, 1-50 wt% of acid selected from sulfamic and citric acids, 30-50 wt% of sodium bicarbonate, 1-10 wt% of sodium carbonate, 2-10 wt% of powdered dodecyl benzene sulfonate surfactant and 1-5 wt% of crosslinked polyacrylic acid thickening agent.(II) has a dissolved CO2 concentration of at least 300 (especially 500) ppm provided at least in part by a system for enriching the aqueous system with a water soluble carbonate salt which comprises a water soluble carbonate salt and a water soluble acid that under aqueous conditions, reacts with salts to form carbon dioxide that dissolves in the aqueous system. (II) also comprises a surfactant present in an amount of at least 0.25g/l and a thickening agent in an amount of at least 0.15g/l. The aqueous solution has a temperature of up to 60 (especially 40-50) degrees C and a pH of 2-7 (especially 4-5.5). EXAMPLE - A powdered enzymatic detergent drain cleaner was prepared comprising (wt%): citric acid (43), Na2CO3 (5), Nacconol 90G (RTM) (4), NaHCO3 (40), Carbopol EZ-2 (RTM) (1), Cellulase TR concentrate (5) and Lipase BCC (2).