Salt Water Pool Monitor, WiFi pH and Salinity Tester for Swimming Pool, Smart Salt Pool Water Monitor 5 in 1

This is an open box item - guaranteed to be brand new with all parts present.Retail price on Amazon was last reported as $149.99.Ships in the original manufacturer's packaging.Guaranteed free return for missing parts or a defective item.Always free shipping!Ciibo Ivy Stock #: 11718845-213D--------------------------------View on Amazon Convenient Water Monitor: YINMIK monitor is connected through a WiFi Tuya gateway and only supports working within the 2.4GHz wireless network coverage. After the gateway and monitor are successfully connected, you can directly put the monitor into the pool. No calibration is required for first time use. And, the package contains pH 4.00 7.00 10.01 salinity 12.88 calibration solution to facilitate your daily testing of whether the values are accurate and to meet subsequent calibration needs.View in Red & Reminder: For salt water pools, the recommended pH is 7.2-7.8 pH, with an optimal salinity range of 2700-3400 ppm. Within this range, the swimming po