Go back

ourlum.com

USA based

Precise TDS and pH Meter for Aquariums

~~$17.49~~ $11.19

36% off Free Shipping

#14:350686#TDS

How It Fits

What Customers Are Saying

Small True to size Large

Measurements

Size	Waist	Hips	US/CAN
XS	24-25	35-36	0/1
S	26-27	37-38	3/5
M	28-29	39-40	7/9
L	30.5-32	41.5-43	11/13
XL	33.5	44.5	15
1X	37-38.5	47-48.5	14/16
2X	40-42	50-52	18/20
3X	44-46	54-56	22/24

Measurements are approximate. For the best fit, we recommend measuring yourself and comparing to our size chart.

Style TDS TDS TDS-3 with bag PH PH-TDS PH-TDS-3 with bag TDS-3

In stock. Ready to ship.

This discount is based on purchasing the main product

Secure Payment

Fast Delivery

Money Back Guarantee

24/7 Support

Quality Assurance

Shipping:

Free Local and International shipping. See details

Delivery:

Estimated between Aug 14, 2026 and Aug 16, 2026 Ships within 1 business day after payment clears. | SHOP Track Order | Ourlum Orders | Track Orders

Returns:

30 days returns. 100% Money back guaranteed no question ask. If the mistake is from Us. See details

Shop with confidence. FAQs

OurLum Money Back Guarantee.

Get the item you ordered or your money back. WHY TRUST OURLUM Learn more. ALL FAQs

SMART PRODUCTS. BETTER: LIVING.DISCOVER INNOVATIVE PRODUCTS THAT MAKE LIFE EASIER. ENJOY EXCLUSIVE DEALS, FAST WORLDWIDE SHIPPING, FLEXIBLE PAYMENT OPTIONS, AND BIG SAVINGS. SHOP SMARTER WITH OURLUM TODAY!

Precise TDS and pH Meter for Aquariums

~~$17.49~~ $11.19

TDS

Precise TDS and pH Meter for Aquariums

Precise TDS and pH Meter for Aquariums is a compact, all-in-one tester delivering fast TDS (0-9990 ppm) and pH (0.00-14.00) readings. With a lock function and 0.01 pH precision, it suits hobbyists, hydroponics, and brewing, providing reliable data in a pocket-sized tool.

All-in-one TDS & pH tester
TDS 0-9990 ppm, ±2%
pH 0.00-14.00, 0.01 precision
13.8 cm, pocket-friendly, lock feature
Durable ABS plastic housing

Fast, accurate data minimizes guesswork, helps prevent pH drift, and streamlines testing across multiple tanks and setups.

Material: ABS plastic
Display: LCD
Battery: 3V (2x LR44, not included)
Size: 13.8 x 2.3 cm
TDS: 0-9990 ppm, ±2%
pH: 0.00-14.00, ±0.01

Who it's for: aquarium hobbyists, professional aquarists, hydroponics growers, and home brewers. Common use cases: test tank water, monitor nutrient solutions, check brewing water profiles.

Q: What makes it ideal for aquarium testing? A: All‑in‑one, quick checks.
Q: How to use the lock function? A: Dip sample, press lock, read.
Q: Suitable for hydroponics and brewing? A: Yes.
Q: Key specs? A: TDS 0-9990 ppm ±2%; pH 0.00-14.00 ±0.01.

- TDS Meter linked to https://www.ourlum.com/search?q=TDS+Meter - pH Meter linked to https://www.ourlum.com/search?q=pH+Meter - Aquarium Test Kit linked to https://www.ourlum.com/search?q=Aquarium+Test+Kit - Water Quality Testing linked to https://www.ourlum.com/search?q=Water+Quality+Testing - Portable Water Tester linked to https://www.ourlum.com/search?q=Portable+Water+Tester

This product is part of OurLum's collection of practical products designed to make everyday life easier, more comfortable, and more enjoyable.

Precise TDS and pH Meter for Aquariums

Shop with confidence at OurLum.com. Enjoy secure payments, fast shipping, easy returns, real-time order tracking, and dedicated customer support—trusted service with every purchase.

At OurLum.com, we don’t just promise quality—we guarantee it. Every product is carefully selected and tested to meet real-life needs, and your satisfaction is 100% backed by our no-hassle return policy. If it doesn’t work for you, we’ll make it right—fast. Shop confidently knowing you're getting trusted products, secure checkout, and real support when you need it. Because at OurLum, your peace of mind comes first

We want you to love every purchase from OurLum.com. If you're not completely satisfied, you can return any item within30 daysof delivery—no questions asked. Items must be in their original condition and packaging. Simply contact our support team, and we’ll guide you through a quick, hassle-free return or exchange process. Your satisfaction is our priority.