Click to expand Tap to zoom HM Digital 1000 ppm TDS Calibration Solution, 3 oz (90 ml) by One Stop Hydro Save $-6.50 $6.50 | / SKU HMDC1000 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Add to cart This item is a recurring or deferred purchase. By continuing, I agree to the cancellation policy and authorize you to charge my payment method at the prices, frequency and dates listed on this page until my order is fulfilled or I cancel, if permitted. NaCl calibration solution 1000 ppm comes in lightweight HDPE plastic bottles. Sealed with a coated foam liner. Shipping Weight 0.22 lbs. Package Dimensions 1.30L x 1.30W x 3.30H Barcodes 891144000038 (UPC-A)