有时候油、油脂或其他的材料可能会对Sludge Judge®造成污染，那么就需要用清洁棒和清洁带配以柔和的清洁剂和温水对其进行清洗，以便保持管子的清晰度，更好的读取测试数据，清洁棒的一端有槽，可以放清洁带，把需要清洁的器件拆开来，以便更好清洗。不包括清洁带。上海瑞亿仪器有限公司

Occasionally oil, grease, ａnd other materials may form deposits on the inside of the Sludge Judge®. The 6 ft. （1.82 m） aluminum cleaning rod used with cotton strips, mild detergent, ａnd warm water will help remove the debris so the tubing will stay clear, providing accurate sludge readings. The end of the rod has a slot to hold the cleaning strip in place. Disassemble the unit ａnd clean each section separately. Does not include cotton cleaning strips.