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Water Testing Tools

100% of buyers enjoyed this product! 12 orders
Ships From:China United States
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Digital PH Meter Tester Pocket Water Hydroponics Pen Aquarium Pool Test

Product Selling

  • Fast
    and Accurate Readings: Just turn it on, dip in liquid and read display, no
    need to work with color charts or test strips;Large digital display makes it
    easy to read.

  • Automatic
    Calibration: No need any adjustment screwdrivers, just finish the
    calibration with Auto calibration button and included buffer powders.

  • Portable
    Design: Handheld pen style and compact carrying case makes it leisure fits
    in your pocket or bag and goes anywhere.

  • Wide
    Application: Ideal for home and laboratory pH testing applications,
    including drinking water, swimming pools, aquariums, hydroponics etc.

  • Power
    supply: 2 x1.5v AG13(keep using more than 500 hours) opreating temperature
    0-80°C Comes with 2 LR44 batteries


  • 100% Brand New and High

  • Color:Yellow&Black

  • Measure Range: 0.00-14.00PH

  • Resolution: 0.01ph

  • Accuracy: +/- 0.05ph

  • Size: 155x31x18mm

  • How to use:1.Remove the protective cap.2.Rinse
    the electrode with distilled water, and dry it with filter paper.3.Turn on
    the meter, immerse the electrode into the test solution.4.Stir gently and
    wait for the reading to stabilize.5. Turn off the meter after use, rinse the
    electrode and dry it with filter paper


  • Please allow
    1-5mm errors due to manual measurement.

  • Item color
    displayed in photos may be showing slightly different on your computer
    monitor since monitors are not calibrated same.


  • 1 x
    Pen-type PH meter

  • 4 x Ph
    buffer powder



We are proud to offer international shipping services that currently operate in over 200 countries and islands world wide. Nothing means more to us than bringing our customers great value and service. We will continue to grow to meet the needs of all our customers, delivering a service beyond all expectation anywhere in the world.

How do you ship packages?

Packages from our warehouse in China will be shipped by ePacket or EMS depending on the weight and size of the product. Packages shipped from our US warehouse are shipped through USPS.

Do you ship worldwide?

Yes. We provide free shipping to over 200 countries around the world. However, there are some locations we are unable to ship to. If you happen to be located in one of those countries we will contact you.

What about customs?

We are not responsible for any custom fees once the items have shipped. By purchasing our products, you consent that one or more packages may be shipped to you and may get custom fees when they arrive to your country.

How long does shipping take?

Shipping time varies by location. These are our estimates:
Location *Estimated Shipping Time
United States 10-20 Business days
Canada, Europe 10-20 Business days
Australia, New Zealand 10-30 Business days
Mexico, Central America, South America 15-30 Business days
Asia 10-20 Business days
Africa 15-45 Business days
*This doesn’t include our 2-5 day processing time.

Do you provide tracking information?

Yes, you will receive an email once your order ships that contains your tracking information. If you haven’t received tracking info within 5 days, please contact us.

My tracking says “no information available at the moment”.

For some shipping companies, it takes 2-5 business days for the tracking information to update on the system. If your order was placed more than 5 business days ago and there is still no information on your tracking number, please contact us.

Will my items be sent in one package?

For logistical reasons, items in the same purchase will sometimes be sent in separate packages, even if you've specified combined shipping.

If you have any other questions, please contact us and we will do our best to help you out.


Order cancellation

All orders can be cancelled until they are shipped. If your order has been paid and you need to make a change or cancel an order, you must contact us within 12 hours. Once the packaging and shipping process has started, it can no longer be cancelled.


Your satisfaction is our #1 priority. Therefore, if you’d like a refund you can request one no matter the reason.

If you did not receive the product within the guaranteed time( 45 days not including 2-5 day processing) you can request a refund or a reshipment.
If you received the wrong item you can request a refund or a reshipment.
If you do not want the product you’ve received you may request a refund but you must return the item at your expense and the item must be unused.

  • Your order did not arrive due to factors within your control (i.e. providing the wrong shipping address)
  • Your order did not arrive due to exceptional circumstances outside the control of Cresta Stores | Everything you want in one place (i.e. not cleared by customs, delayed by a natural disaster).
  • Other exceptional circumstances outside the control of

*You can submit refund requests within 15 days after the guaranteed period for delivery (45 days) has expired. You can do it by sending a message on Contact Us page

If you are approved for a refund, then your refund will be processed, and a credit will automatically be applied to your credit card or original method of payment, within 14 days.


If for any reason you would like to exchange your product, perhaps for a different size in clothing. You must contact us first and we will guide you through the steps.

Please do not send your purchase back to us unless we authorise you to do so.

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