Monthly Spa Logs - set of 12 with binder 42,00€ In stock 42,00€ Options Version : French - In stockEnglish - In stockEnglish for pool - In stock Quantity: Add to basket These monthly logbooks are a clear and concise way to keep track of the condition of the water in your spa. There is a book for each month and a convenient binder for storing them. Each date page (undated) has spaces for recording test results three times per day. It also has room for repair records, bacteriological test results and water changes. The introduction provides a concise guide to maintaining a commercially-used hot tub.