7 in 1 Hydroponic pH EC TDS Meter

SKU: YY-1101
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Tags: 7-in-1 water quality tester aquarium water tester EC meter garden water meter hydroponic meter hydroponic systems pH and EC tester pH meter pH tester salt tester TDS meter temperature tester water fertility tester
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Description

pH and EC are two of the main readings used to manage a hydroponic nutrient solution.

EC indicates the overall concentration of dissolved ions in the solution. It does not identify individual nutrients. pH affects how available those nutrients are to the roots. Reading them together helps you investigate whether an issue may relate to solution concentration, pH or both, although plant symptoms can also have other causes.

For a 5 in 1 option, see our 5 in 1 hydroponic tester.

Specs
  • Model: YY-1101
  • pH Range: 0.00–14.00 pH | Resolution 0.01 pH | Accuracy ±0.05 pH
  • TDS Range: 0–10000 ppm | Resolution 0.1 ppm | Accuracy ±2% F.S.
  • EC Range: 0–10000 μS/cm, 10.1–19.99 mS/cm, 20.1–400.0 mS/cm
  • Fertility Range: 0–3
  • ORP Range: ±999 mV | Resolution 1 mV | Accuracy ±2 mV
  • Salinity Range: 0–25%, 0–10000 ppm, 10.1–200.0 ppt
  • Temperature Range: 0.0°C–60.0°C (32°F–140°F) | Accuracy ±0.5°C
  • Display: LCD with backlight
  • Waterproof Rating: IP67
  • Power: 3 x 1.5V LR44 batteries
  • Size: 183 x 42 x 42mm
  • Auto Shut-Off: 5 minutes
  • Calibration: Manual, multi-point solutions
Applications

Hydroponic nutrient reservoirs and routine nutrient-solution checks, including deep water culture (DWC), drip systems, aeroponics, and nutrient film technique (NFT).

Shipping & Returns

Shipping Policy

  • Orders are processed within 1-2 business days (excluding weekends and holidays).
  • Free shipping is available for the United States, select European countries, and various Asian regions, with a delivery timeframe of 7-20 business days.
  • Duties and taxes are not included and will be collected by the carrier at delivery.
  • Upon shipment, you’ll receive a tracking number via email for real-time updates.

Return Policy

  • We offer a 7-day return policy, starting from the day you receive your item.
  • Items must be unused, in their original condition with tags and packaging, and accompanied by proof of purchase.

Shipping Costs for Returns:

  • Quality Issues: We cover the return shipping costs.
  • Personal Reasons: Customers cover the return shipping costs.

Non-Returnable Items:

  • Used or worn products.
  • Sale/discounted/promotional items.
  • Gift cards.

Refund Process:

  • Refunds will be processed through your original payment method within 5-8 business days after approval.

Frequently Bought Together

Total price:$136.90 $98.90

Precise pH Measurement for Healthy Plant Growth

Ensure your plants are thriving by maintaining the optimal pH range with the 7-in-1 Water Quality Meter. This device accurately measures pH levels from 0 to 14, giving you full control over your hydroponic systems. It’s essential for preventing issues like nutrient lockout, where low pH can prevent nutrient uptake, and high pH can lead to yellowing leaves and poor plant health. The ideal pH for most crops falls between 5.5 to 6.5, allowing your plants to absorb nutrients effectively.

pH and EC Testing Made Easy for Healthy Plants

Understanding the right pH and EC (Electrical Conductivity) range for your crops is crucial for preventing issues like nutrient deficiencies or toxicities. This meter provides quick and accurate readings of both pH (0-14) and EC (0-10000 µS/cm), helping you monitor and adjust the water's nutrient concentration. The optimal range for most crops falls between 5.5 and 6.5 pH and 800-2000 µS/cm for EC, allowing for healthy plant growth and vibrant yields.

Accurate TDS Measurement for Hydroponics

This water quality meter accurately measures the Total Dissolved Solids (TDS) in your hydroponic system, ensuring your plants receive the optimal nutrient solution. With a TDS range of 0-10000 ppm, it helps you identify whether your nutrient levels are too low or too high, which can directly impact plant health. Maintaining the ideal TDS range of 500-1200 ppm for your crop is key to preventing nutrient deficiencies or excesses, ensuring strong plant growth and healthy yields.

Upgraded Probe for Enhanced Durability and Precision

The 2025 upgraded probe offers exceptional durability and precise measurements, making it perfect for long-term use in hydroponic systems. The probe's improved design provides more accurate data, allowing for a clearer understanding of your system's pH, temperature, and other essential metrics. With a replaceable probe, this tool guarantees reliable performance, minimizing the need for frequent replacements and ensuring your system remains optimal.

Ideal for All Hydroponic Systems: DWC, Drip, NFT, Aeroponics

Whether you're using DWC, Drip Systems, Aeroponics, or NFT setups, this meter is a versatile solution for monitoring water quality across various hydroponic systems. It helps maintain the perfect pH and nutrient balance, preventing common issues such as stunted growth or nutrient lockout.

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FAQ

How often should I test my water quality (pH, EC, TDS) in a hydroponic system?

Regular monitoring is essential. For hydroponic systems, one should test at least once a week and more frequently if you notice plant issues or system changes.

What is the optimal pH range for most hydroponic crops?

Most hydroponic crops prefer a slightly acidic solution — around pH 5.5 to 6.5 — to ensure efficient nutrient uptake.

Why is measuring EC/TDS important, and what happens if EC is too high or too low?

EC (electrical conductivity) or TDS (total dissolved solids) reflect nutrient concentration. If EC/TDS is too high, you risk nutrient burn or toxicity; if it's too low, plants may be nutrient‑starved.

My pH readings fluctuate a lot or drift—what could be the issue?

Fluctuations can be due to high alkalinity (KH), poor calibration of the meter, or dirty/aged sensors. Ensuring the probe is clean and calibrated and water buffering is controlled helps stabilize measurements.

What water temperature should I aim for in hydroponics?

The nutrient solution’s temperature matters—most hydroponic systems perform well when water is kept around 18‑24°C (65‑75°F) to preserve oxygen levels and root health.

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