PH Meter for Water Hydroponics Digital PH Tester Pen 0.01 High Accuracy Pocket Size with 0-14 PH Measurement Range for Household Drinking, Pool and Aquarium (Red)
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- 【How to use calibration】Press CAL for 5 seconds to enter the calibration mode, press in turn to select the powders corresponding to 6.86, 4, and 9.18 to complete the calibration.
- 【Mini Size】The mini size ph meter we designed allows you to easily put it in your pocket, so you can take measurements anytime, anywhere. It can help you test it whether you take it to the pool, on a trip, to the beach or camping.
- 【Family Essentials】As a tool to improve the quality of life. Can be used to test drinking water, swimming pools, PH balance in aquarium, RO system, spa or hydroponics. Basically all the environments that need to test PH value can use this tester to get accurate data.
- 【High Accuracy】ph tester has a sensitive electrode sensor ,simply press "ON", It only takes a few seconds for your result to appear on screen.read accurate pH levels. The included detailed manual will show you how to get the best accurate and stable reading.
- 【Automatic Temperature Compensation】No more need to take care about the temperature of testing liquid,as the Ph Meter Has an Auto Temprature Compensation Feature That Adjusts to Water Temperatures and Water Quality.
Product Description
- Ruolan, founder KIKI.
- The R&D center is located in Stockholm, Sweden, and is composed of Swedish independent designers and co-designers to provide creative support for the brand.
- Ruolan is mainly engaged in household products, and also manages life accessories and other categories, covering daily life, integrating research and development, design, supply and sales, providing practical products and life inspiration for people's daily life.
Be sure to add water according to the required ratio, otherwise it will affect the accuracy of the calibration and increase the error
Calibration powder: pH standard solid substance. It can be used after adding water. Suitable for the calibration of any type of ph meter. Each package can prepare 250ML standard solution.
Please calibrate in the order of 6.86, 4, 9.18
Tip:
- The PH pen probe is a glass product and is a fragile product. Please do not collide with things. Once the damage is not replaceable, you must protect the probe. After use, use absorbent paper to gently absorb the water on the probe.
- Open the pen cover, the number may float, this is a normal phenomenon, because the probe contact with the air may cause the number to float
PH meter has been calibrated before delivery, the buyer does not need to re-calibrate after receiving the goods!
In the following cases, the PH meter must be re-calibrated:
1. Has been used for a long time after calibration;
2. Special electrode use Frequently;
3. The measurement accuracy requirements are relatively high.
Battery installation:
If the backlight brightness drops significantly or the display value is blurred, the battery should be replaced. When replacing the battery, just pull out the battery compartment and replace it. NoteThe polarity of the battery.
Standard configuration:
1XPH meter
3X calibration powder
1X gift box
1X instruction manual
At DealsXS, we strive to get your order to you as quickly and reliably as possible. Please read our updated shipping policy carefully to understand shipping times, processing, and delivery expectations.
Domestic Shipping (Contiguous United States Only)
Free Expedited Shipping
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All orders include Free Expedited Shipping.
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Estimated delivery time: 4–7 business days AFTER processing.
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Delivery time refers only to transit time and does not include order processing time (1-3 days).
Express Shipping (Optional Upgrade)
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Need your order sooner? Express Shipping is available at checkout.
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Estimated delivery time: 1–2 business days AFTER processing (1-3 days).
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Please note: Express Shipping expedites delivery, but does not reduce processing time.
Order Processing Time
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Orders are processed Monday through Friday, excluding holidays.
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Most orders are processed within 1–3 business days and shipped the next business day.
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Orders placed on weekends or holidays will begin processing on the next business day.
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During periods of high demand, processing time may extend to 3 or more business days.
Additional Domestic Shipping Information
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If your order contains multiple items, we’ll try to ship them together; however, items may arrive in separate packages.
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Your order may be delivered by your local post office or a courier service. Most deliveries arrive with your regular mail.
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If you're not home, a notice may be left with instructions for pickup or redelivery.
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Please make sure your shipping address is correct. Incorrect or incomplete addresses may delay your shipment.
Special Note on USPS Postage Stamps
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USPS Postage Stamp Booklets are shipped via standard USPS envelope without tracking, to keep shipping free.
International Shipping Policy
We offer international shipping to many countries. Please review the details below before placing your order.
International Shipping Methods & Times
Shipping Method | Estimated Delivery Time |
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USPS First-Class Mail International | 1–25 Days |
UPS Worldwide Expedited | 7–14 Days |
Delivery times are estimated and may vary based on destination, customs processing, and other external factors.
Tracking
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All international shipments include tracking when available.
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Tracking availability may vary depending on the destination country and shipping method.
Customs, Duties & Taxes
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Import duties, taxes, and fees (collectively "Import Fees") are the responsibility of the buyer.
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These fees vary by country and are determined by customs authorities.
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Factors affecting Import Fees include product category, price, shipping cost, and package weight.
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The buyer is the importer of record and must comply with all applicable laws and regulations.
Note: Some customs offices may require personal identification (e.g., Passport or Tax ID) before releasing a shipment.
International Returns & Refunds
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Returns are accepted within 30 days of delivery, provided items are in original condition.
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Shipping fees, taxes, and customs fees are non-refundable.
Important Notes
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For international shipments, we reserve the right to change carriers based on package size and weight.
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Delays due to customs or incorrect shipping info are beyond our control.
Questions?
For any questions or concerns about your shipment, please contact us at:
📧 contact@dealsxs.com
Frequently Asked Questions (FAQ)
Payments & Security
What payment types do you accept?
We currently accept Visa, MasterCard, American Express, and Discover.
Is it safe to use my credit card on your site?
Absolutely. Your privacy and security are our top priorities. We never store your credit card information and use advanced security protocols to keep your data safe.
What’s a Security Code?
It’s the 3-digit number on the back of your card (or 4-digit on the front for AMEX). We ask for this to help prevent fraud and keep your purchase secure.
Ordering
How do I know my order went through?
Once your order is placed, you'll see a confirmation page and receive an email with your order number. If you don’t see it, check your spam or contact us.
Why can’t I check out?
Try double-checking:
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Card number and security code (no spaces)
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Billing address and zip code
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Sufficient funds on your card
Still stuck? Email us at contact@dealsxs.com and we’ll help.
Can I cancel my order?
We process orders quickly to get them out fast. If your order hasn't shipped yet, we’ll do our best to cancel it. Email us at contact@dealsxs.com right away.
Are there any hidden fees or charges?
Nope! What you see is what you pay—item cost + any applicable sales tax, and that’s it.
Shipping
Where do you ship from?
We ship from our main facility in Saint Charles, IL.
How much does shipping cost?
Shipping is FREE on all U.S. orders. Express upgrades are available.
How do packages ship?
We ship via USPS, UPS, FedEx, and other trusted carriers—depending on the item and supplier.
How long does it take to get my order?
Orders are processed Monday–Friday (excluding holidays) within 1–3 business days. After processing, delivery times are:
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Free Expedited Shipping: 4–7 business days
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Express Shipping Upgrade ($14.99): 1–2 business days
Note: Express shipping speeds up delivery after processing. It does not skip our 1–2 business day processing time.
Will I get a tracking number?
Yes! As soon as your order ships, we’ll email you a tracking link. Note: It may take up to 24 hours for tracking to appear in the carrier’s system.
What if I order multiple items?
Since we ship from multiple locations, your items may arrive in separate packages and on different days.
Where do you ship?
We currently ship to the contiguous U.S. only. International shipping is available on select items (see below).
International Shipping
Do you offer international shipping?
Yes! We ship to many countries. Customs fees, taxes, and import duties are the buyer's responsibility.
International Delivery Estimates:
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USPS: 1–25 Days
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UPS: 7–14 Days
Estimates vary depending on your country and customs clearance times.
Will I receive tracking info for international orders?
Yes—when available, we’ll provide tracking. Note: Not all countries support end-to-end tracking.
Can I return international orders?
Yes, but note that shipping and customs fees are non-refundable. Please contact us for return instructions.
Special Notes on USPS Stamp Orders
How are USPS stamps shipped?
To offer free shipping, postage stamp booklets are sent via standard USPS letter mail without tracking.
Estimated delivery: 4-7 business days.
Returns & Exchanges
Do I have to pay for return shipping?
If you purchased Re:Do protection at checkout, you get a Returns Label. Click here for more info: https://dealsxs.com/apps/redo/returns-portal/login
If not, return shipping is the customer’s responsibility.
How long do I have to return something?
You have 30 days from delivery to initiate a return.
Items must be in their original condition.
Used/open-box products: 30-day return policy with our DealsXS Renewed Guarantee.
How do I start a return?
Please check our return page: https://dealsxs.com/pages/return-refund-policy .
Product Conditions
What does “Open Box” mean?
These items are in perfect working condition but may have damaged or missing packaging. All accessories are included.
What does “Renewed” mean?
These are professionally inspected and tested to work and look like new, with minimal to no wear. They come with our 30-day Renewed Guarantee.
100% Satisfaction Guaranteed
At DealsXS, your satisfaction is our priority.
If you're not completely happy with your purchase, we offer hassle-free returns or exchanges within 30 days of receiving your order.
We’re here to help and want you to feel confident shopping with us—we’ll do everything we can to make it right.
Still Have Questions?
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contact@dealsxs.com
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PH Meter for Water Hydroponics Digital PH Tester Pen 0.01 High Accuracy Pocket Size with 0-14 PH Measurement Range for Household Drinking, Pool and Aquarium (Red)