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PH Meter 0.01 High Precision for Water Quality Tester with 0-14 Measurement Range Suitable Aquarium Swimming Pool

It's not only ideal for household or laboratory use, also suitable for testing pH balance of drinking water, pool, aquarium, food Project, RO system, Spa, or hydroponics.Note: This product does not include battery, battery model: 2X 1.5V LR44 range: 0.00-14.00 pHResolution: 0.01 pHAccuracy: 0.01 pHBatteries: 2X 1.5V LR44 not includedAutomatic temperature compensation: inchWarm tipsIt STEP 1: Turn open pH meter, Clean the electrode in distill waterIt STEP 2: Immerse the electrode in pH 6.86 standard buffer solutionIt STEP 3: Press the CAL button. Wait until the display digital is 6.86pH and steadyIt STEP 4: Clean the electrode [...]

1set = 80 Strips! Professional 1-14 pH litmus paper ph test strips water cosmetics soil Acidity test Strips with control card

80 Pcs Multipurpose pH Test Strips Universal Full Range Litmus Paper 1-14 Acidic Alkaline Indicator Food Urine Lab Soil Description: brand new and high quality Features: The scale reads from 1 to 14: 1 - 3 indicates a very acidic substance. 4 - 6 indicates an acidic substance. 7 indicates neutral. 8 - 11 indicates alkalinity. 12 - 14 indicates a very high level of alkalinity. Instruction: 1.Simply press the testing strip to the object or liquid you are testing. Half second later, take out the paper and [...]

HANNA HI774/PO4 HI758/CA HI772/KH HI781/NO3 aquarium water quality test salinity tester stand-alone product

Note: Different models correspond to different chemical elements. Products are bought individually, not in sets. Some products contain liquid and batteries. If you choose products containing liquid, please choose the special channel. Russian buyers please choose Cainiao Heavy Parcel Line. If the goods are returned by the logistics provider because they contain external batteries, I will take out the batteries and send them again. thank you The HI758 Checker® HC Handheld Colorimeter provides a simple, accurate and cost-effective way to measure calcium. Required for the development of calcium carbonate skeletons of coral reefs, calcium is a crucial component of marine [...]

Seawater Hydrometer Saltwater Meter Salinity Meter Tester Sea Specific Gravities Test For Fish Tank Pond Water Saltwater

Features: 1. Insert the hydrometer 15cm below the water until the water overflows the baffle.2. Specific gravities safety range: 1.020-1.023.3. Readable accuracy that reaches a maximum of + - 0.002 gravities units.4. Endurable ABS plastics for durable and sturdy use.Specifications: Product Name: Sea Water Hydrometer / Salt HydrometerMaterial: PlasticsSize: about 19 x 5cm / 7.5 x 2.0inchPacking List: 1 x Salinity TesterNotes: 1. Due to the lighting effects and shooting angles, there is a color difference in the product, please understand.2. Due to manual measurement, there is a tolerance in the product size. Payment methods: · You may make [...]

UTHAI C61 Type-c to 3.5mm Audio Charging 2 in 1 Adapter For Macbook Android Converter Fast Charge MINI Size USB C Music Adapters

2.5 inch SATA to USB 3.0 SSD Adapter for Samsung Seagate SSD 2TB Hard Disk Drive Box External HDD Enclosure Memory Card Adapters

Tool free design 5 GB/s transfer rate UASP transfer Pprotocol supported Universal compatibility LED indicator Color: Black Internal Interface: SATA3.0 External Interface: USB3.0 Material: ABS fire-resistant + rubber oil support Advantages: Tool free/hot plug/driver not required Transfer rate: 5GB/s Cable Length: USB 3.0 Micro USB Cable 40CM Features Supports all standard 7mm/9.5mm 2.5 inch SATA I/II/III HDD and SSD up to 2TBMax Compatible Operating Systems: Windows 2000/Windows 98/ XP /Vista/ 7/ 8/10,Lunix,Mac OS 9.1/10.8.4 above Tool-free installation; hot-swap plug and play; LED indicator; No Reboot or Additional Driver needed; package instruction： 1 x 2.5 Hard Drive Enclosure 1 x [...]