Digital TDS Water Testing Pen – High-Accuracy Portable TDS Meter for Drinking Water, RO Systems, Aquariums & Hydroponics | Total Dissolved Solids Tester
Digital TDS Water Testing Pen – High-Accuracy Portable TDS Meter for Drinking Water, RO Systems, Aquariums & Hydroponics | Total Dissolved Solids Tester
This Digital TDS Water Testing Pen provides accurate and quick readings of Total Dissolved Solids to help you check the purity of your water anytime. Perfect for testing RO-filtered water, aquariums, pools, laboratories, hydroponic setups, and household water sources. Equipped with a sensitive sensor and digital display, it delivers instant results with just one button. Its compact, pen-like design makes it easy to carry and use anywhere. Whether you want to ensure safe drinking water or monitor water quality for plants and fish, this TDS meter is a dependable, essential tool.
✅ Key Responsibilities
- Measures Total Dissolved Solids (TDS) instantly
- High-accuracy digital reading
- Easy one-button operation
- Ideal for RO systems, aquariums, hydroponics & labs
- Portable, lightweight pen design
- Auto-off function to save battery
- Ensures safe and clean water quality
Shipping cost is based on weight. Just add products to your cart and use the Shipping Calculator to see the shipping price.
We want you to be 100% satisfied with your purchase. Items can be returned or exchanged within 30 days of delivery.
Discover more in our FAQ
How long does it take to process an order?
All the details you love about the original—with a fresh flared block heel and modern square toe. Expertly crafted using soft Nappa leather, this essential style molds and moves with you to keep you comfortably on your feet all day (and night). This boot uses leather sourced from a Leather Working Group-approved trader. The Leather Working Group (LWG) Audit Standards provide transparency and accountability within the leather supply chain—covering energy and water usage.
Do you ship internationally?
All the details you love about the original—with a fresh flared block heel and modern square toe. Expertly crafted using soft Nappa leather, this essential style molds and moves with you to keep you comfortably on your feet all day (and night). This boot uses leather sourced from a Leather Working Group-approved trader. The Leather Working Group (LWG) Audit Standards provide transparency and accountability within the leather supply chain—covering energy and water usage.
What is your return policy?
All the details you love about the original—with a fresh flared block heel and modern square toe. Expertly crafted using soft Nappa leather, this essential style molds and moves with you to keep you comfortably on your feet all day (and night). This boot uses leather sourced from a Leather Working Group-approved trader. The Leather Working Group (LWG) Audit Standards provide transparency and accountability within the leather supply chain—covering energy and water usage.
What are your sizing options?
All the details you love about the original—with a fresh flared block heel and modern square toe. Expertly crafted using soft Nappa leather, this essential style molds and moves with you to keep you comfortably on your feet all day (and night). This boot uses leather sourced from a Leather Working Group-approved trader. The Leather Working Group (LWG) Audit Standards provide transparency and accountability within the leather supply chain—covering energy and water usage.