The FryOilSaver Co, Chlorine Test Strips for Restaurants and Food Service, Precision Chlorine Test Paper, 1 x Vial of 100 Chlorine Sanitizer Test Strips, 0-200 ppm, Bleach Test Strips, FMP 142-1362 13.50$
Daxiongmao Endoscope Camera, 1080P HD Inspection Camera, Borescope Camera with Light, IP67 Waterproof Camera, 16.5ft Flexible Endoscope Camera with Light, Gadgets for Men (4.3”) Save 3.00$ 49.99$
TDS Meter Digital Water Quality Tester for RO-RODI System Drinking Water, Aquariums, Hydroponics, 0-999 ppm Measuring Range, 1 ppm Increments, 2% Readout Accuracy(White) 16.99$
VIVOSUN pH and TDS Meter Combo, 0.05ph High Accuracy Pen Type pH Meter ± 2% Readout Accuracy 3-in-1 TDS EC Temperature Meter for Hydroponics, Household Drinking, and Aquarium, UL Certified Save 4.00$ 25.99$
WGGE WG-026 10 Pieces and 5 Colors Test Lead Set & Alligator Clips,20.5 inches (1 Pack)( WGGE Products only Sold by W&G Global Electronics INC) Save 3.00$ 10.99$
Universal Feeler Gauge Set Stainless Steel Thickness Gauge 32 Blades 0.04-0.88 mm (0.0015-0.035 Inch) Metric/Imperial for Measuring Gap Width and Thickness for Guitar, Spark Plug, Piston Measure 11.99$
Vaginal pH Test. pH Balance Test Strips for Women. A Vaginial pH Product Test Helps Prevent BV Bacterial Vaginosis and maintain Womens pH Balance. 19.97$
LAKWAR Pocket Microscope for Kids, 60x-120x Mini Handheld Microscope with 5 Microscope Slides Kits, Mini Microscope for Kids Students Adults Home School Lab Save 3.00$ 26.99$