Features:

  • COST-EFFECTIVE PRODUCT PARTNER. It would be more economical and convenient than purchasing it separately. The testing data from PH meter and TDS meter all are practical. The pen meter partner also can be separately used whenever you need.
  • WIDELY USED AND ACCURATE. Digital TDS meter has measurement range 0-9990ppm and ±2% accuracy, PH meter has measurement range 0.00- 14.00PH, 0.01PH accuracy and 0.01PH resolution.
  • AUTO-OFF FUNCTION AND EASY TO USE. Digital TDS meter and PH meter both have the function of Auto-off, it will automatically shut off with inactivity to save the battery’s life. The TDS meter and PH meter both are easy to use, just need to press “ON/OFF” to open and use it, and just need to press “ON/OFF” to close it.
  • AUTOMATIC TEMPERATURE COMPENSATION ( ATC ). Digital ppm tester and ph tester both have the function of ATC, the measuring data won’t be influenced by the water temperature, no matter testing the ppm or ph of the water.
  • SMALL SIZE AND POCKET PORTABLE. TDS tester and PH tester have small size and low weight as a pen, they are easy to be carried, and convenient for you to take it in your pocket when you go out.
great value

Product used for testing pH in freshwater and marine aquariums. Works very well, easy to use and cost effective.

easy to use

Works great, easy to use, appears accurate when compared to the old school drops I use to check pH of my pool

Good for deep water culture hydroponics

It works good for ppm readings of high potency nutrient water in a deep water culture set up. Simple to use

👍

This is a great little device for the money. So easy to use. I trust it’s accuracy. 👍

Works Great

Really good value and seems to give reliable readings. Has a good little instructional pamphlet and packets you can use to make sure it's calibrated but it seems to be good right out of the box and has a sturdy plastic case to keep it in.

Good product

Great product. Gives an accurate reading quickly. Do not submerge them completely or it can ruin it. Otherwise, it works great.

Parts per million of a colloid

I bought this product to test the ppm of the colloidal silver we make for ourselves. The reading is almost instant. A great value for the money. I highly recommend this product.

Great Tool For Pool Owners

This is a must have for any pool owner. Live it & easy to use.

Nice

Good product, reasonable price.

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