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Starting Member


Sunday, December 13th 2015, 5:35pm

Sand filled Box

Just went to blow out system, opened box and it was jam-packed with sand--every cubic millimeter. The lid even had sand packed into the reinforcement squares. Cleaned it out, ran the system one zone at a time--no leaks. Blew out the system (vacuumed out all sand to below all piping, no animal holes). What is happening? ?(


Supreme Member

Posts: 5,294

Location: Metro NYC


Sunday, December 13th 2015, 5:52pm

some sort of critter(s) think a valve box makes a great home - it might even be ants

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