Pool Chemistry CPO Log Book with Underwater Pen fitting-type_Nipple The board for the station

The board for the station is a sturdy 1/4 inch thick Sintra board

This Beach Closed With Graphic Sign measures 18 x 24 inches

This plastic depth marker tile states 2 FT

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This ceramic pool depth marker is printed with 2

Pool Chemistry CPO Log Book with Underwater Pen fitting-type_Nipple The board for the stationOur Commercial Pool and Spa Log Book Kit is a complete 4 month log book with tables documenting everything from pH and FAC to Bather Load, Pressure, Flow Rate, Backwashing, and more! Each notebook includes chemistry guidelines for both pools and spas and a contents page for pool(s) and contact info. You can use the same log book for multiple pools. The kit includes the Stowaway Pen, an all weather space pen by Fisher Space Pens. The Stowaway Pen