Mix the liquid citric acid (50%) with an equal volume of water. Slowly add the ammonium hydroxide solution. The reaction should be done cautiously and under agitation, as the reaction is exothermic. Add "Cellosolve", surfactant, remaining water, fragrance, and dye. This formula is suitable for a pump spray. Bathtub, sinks, faucets, and other hard surfaces, should be sprayed from a distance of about 10 in. For maximum effectiveness, the deposited cleaner fluid should be left at work at least 5 min and then rinsed off with water or removed with a wet cloth or sponge.
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