With the time to sow seeds fast approaching the mist unit was in need of a good clean. The wooden frame and plastic surround were washed down with hot soapy water, then attention was turned to the watering system. With Legionella in mind, Ali disconnected the hose from the tap and the water pump, then removed the mist jets, pouring boiling water through the system to kill any harmful bacteria. The jets were cleaned and once put back together the watering system was tested with cold water from the tap, running it through the hose, the water pump and out through the mist jets. To finish the clean, the top inch of sand was removed and replaced with new horticultural silver sand. The mist unit is now ready and waiting for the seed sowing to start.
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