Digital TDS Water Quality Tester Meter

Test your water purity in seconds! Selling a digital TDS (Total Dissolved Solids) meter pen. It’s a must-have tool to easily check the performance of your water filter system (like RO, Brita, or ZeroWater), test aquarium setups, verify pool/spa water, or ensure hydroponic nutrient balances are exactly right. Price: $5 ✨ Key Features: - Instant & Accurate Readings: Simply turn it on, dip the prongs into your liquid, and read the clear digital LCD screen. - Hold & Auto-Off Functions: Built-in "Hold" button saves measurements for convenient reading, and an automatic shut-off feature preserves battery life. - Portable Design: Lightweight, compact pen shape with a protective cap that fits easily into any kitchen drawer or travel kit. - Condition: Only used once! Excellent, perfectly clean, and in great working order. 📍 Pickup: Sheppard-Yonge area ** Cash Only **