20 solar vacuum tube cleaning how many grams of citric acid
The second day morning wash up before the sun rises again with water, does not affect the use.Note: to reduce the scale of the formation of a small proposal: summer cover half of the sun's solar energy, the scale is more than 70 degrees will be formed, so cool shading, extend the use of time
Filled with acidic detergent for ten minutes, then brush away the rest of the pull back and forth scale and then rinse with water two times. Need to pay attention to: the best time to wash with gloves carefully burn and scald the skin! It's best to run out of water the night before,
Cleaning methods are as follows:1 remove the vacuum tube, gently, not broken;2 pour out the scale;3 scale cleaning solar vacuum tube wall, the need to use special detergent acid (all marked with specific instructions).
