I washed this rug after using it at a camp site. Following the instructions it was washed in cold water. The item was laid out to dry. Once dry it appears that one of the layers shrunk making it unsightly in appearance, unable to lay flat & difficult to fold.
New information is available about rainwater harvesting from composition roofs. The slow sand filter described on has been shown to remove petroleum hydrocarbons from water down to less than 1 part per ten million by weight; and this is when it is operating at its LEAST efficient rate of purification (at 32 degrees F).
Hand Pack - This method can be used to create a complete sculpture, but it is typically used to add smaller objects to one of the other compaction methods. One of the best way to do a 'hand pack' is to half fill a bucket with water and then add sand until the bucket is just about full.
The first step in making a sand casted object is deciding on the object. For this set of instructions I will be using a mug as my object. Once you have decided on the object you want to make you will need to figure out how you can cast said object and still be able to remove the sand mold from the form.