Assertion: fluoride's water | /r/HasProperty | withdrawn through tap
Facets:
value: above the sludge level
type: OTHER
Source sentences:
text: One household version uses a pair of 20-litre buckets, with a settling time of one hour and not more than two hours: after coagulation and settling are complete, the treated water is withdrawn through a tap 5 cm above the bottom of the first bucket, safely above the sludge level, and stored for the day's drinking in the second bucket.