MEKBOK Digital PH Meter Tester Best for Water Aquarium Pool Hot Tub Hydroponics Wine - Push Button Calibration Resolution .01 / High Accuracy +/- .05 - Large LCD Display

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Receive your item as described or get your money back for eligible orders.

  • [Calibration usage] Press and hold CAL for 5 seconds to enter the calibration mode, and press to select the powder corresponding to 6.86, 4, and 9.18 to complete the calibration.
  • Easy to use and calibrate. You only need to press the "ON" button to get the pH test result of the water, and just press the "OFF" button to turn it off. You can calibrate the digital pH meter by pressing the "CAL" button and immersing the electrode in the solution.
  • Small and portable pocket. It is small in size, light in weight, easy to carry, and can be conveniently placed in a pocket when going out.
  • Suitable for residential or commercial use, water, swimming pools, spas, liquid food, laboratories, aquaculture and hydroponics.
  • Equipped with 1x Poit ph meter, 1x user manual, 2x 1.5V LR44 button battery (built-in), 3x pH buffer powder; 30-day refund promise.
  • Brand: MEKBOK
  • Model: PH-02
Digital PH Meter Water Tester
1.This pH meter sensitive and easy to use, just wait a few seconds and reading
is stable.
2.Auto-off function and low-battery indicator.
3.pH meter can easily be re-calibrated in the field.

4.Linbonio pH meter with Large and easy-to-read Backlit LCD screen. 5.Linbonio
pH tester for aquarium, pool, food & beverage, drinking
water etc.
Measuring range: 0.00-14.00 pH
Resolution: 0.01 pH
Accuracy: 0.01 pH
Batteries: 2X 1.5V LR44 (included)
Automatic temperature compensation: 0-50℃(32-122℉)
Product Features:
►Easy to Use, you just remove the protective cap and immerse the pH meter
electrode in
the solution and turn on the PH by "ON / OFF" switch to be measured.
Beats the heck out of trying to see the colors of a litmus strip. ►Easy to
Calibrate, you can simply follow the instruction on the provided packet of
solution 4.01 or 6.86, immerse the pH tester in the solution until numbers get
stable. ►Pocket Size, it's only 1.8 oz with size of 5.9x1.3x0.6 inch so that
you can put it in your pocket wherever you go outside for a PH testing, it
also comes with a handy storage case and 3 packets ph buffer powder for
calibrating. ►Warning Tips,be careful with the glass probe since it may be a
little fragile when you use. Remember to gently wipe it with a clean, soft
cloth when you're done before capping it again. Package Includes: 1 x pH Meter
1 x Carrying case 1 x User's manual 3 x pH buffer powder
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Frequently Asked Questions

Shipping & Delivery

How soon will my order ship after I've placed it?

Your order will go through a processing period which typically takes 1 to 2 business days. Once processed, it will be shipped out to you via USPS or FedEx.

What countries do you ship to?

We currently ship to the United States (including Alaska & Hawaii, Washington D.C., P.O. boxes, US Territories, and APO/FPO/DPO addresses), Canada, and the United Kingdom.

What is the estimated delivery time?

Delivery times within the United States range from 3 to 7 business days.

Delivery times for international orders range from 3 to 12 business days.

This is an estimate and not a guarantee due to factors like weather and holidays that may cause delays. We ship all US orders with USPS & FedEx.

Will I be provided with a tracking number for my shipment?

Yes, every order comes with a tracking number. You'll receive this information via email once your product is on its way.

What happens if I don't receive my order but the tracking shows it's been delivered?

We recommend contacting the carrier first to locate your package. If the issue remains unresolved, please reach out to our customer support at and we will make things right.

Can orders be shipped to P.O. Boxes or APO/FPO addresses?

We ship to most locations within the United States, including P.O. Boxes, APO/FPO addresses, and U.S. territories, though some restrictions may apply for larger items.

Can I make changes to my order?

Please contact our customer support if your order needs to be canceled or modified.

Returns & Refunds

What is your return policy?

We accept returns within 30 days of receipt. Items must be unworn, unwashed, with original tags and packaging.

Return shipping is the responsibility of the customer unless the product is defective.

How can I return a product?

Contact support to request a return. We will provide instructions and a return shipping label for defective items. For other returns, the shipping is the customer's responsibility.

How long will it take to receive my refund?

Refunds are processed within 7 days from when we receive the item(s).

How will I be refunded for a returned order?

Refunds will be processed to your original form of payment.

If the purchase was made with a gift card, you will receive a refund in the form of a gift card mailed to the original billing address.

Are there any items that cannot be returned?

Yes, non-returnable items include:

  • Perishable Goods (such as food or plants)
  • Gift Cards
  • Certain Health & Beauty Items (for safety reasons)
  • Certain Medical Items (for safety reasons)
  • Custom Orders