VIVOSUN pH & TDS Meter Combo 0 05ph High Precision Pen Type pH Meter & +/- 2% Readout Accuracy 3-in-1 TDS EC Thermometer TDS + PH

VIVOSUN pH & TDS Meter Combo 0 05ph High Precision Pen Type pH Meter & +/- 2% Readout Accuracy 3-in-1 TDS EC Thermometer TDS + PH

Q: I have purchased 2 of these, why are they so inaccurate?

If you calibrate ANY PH meter using the mix it yourself "calibration" solutions, accuracy will be impossible. I just purchased this meter set, and discovered the distilled water I use was ph4 and below! I have the "other" style cheap meter, that has proven very stable for me, and after checking it in GHP 7.0 calibration solution, used it to test the accuracy of this relentlessly poor example of a ph testing system. First off, the solution instructions make no mention what the ph of the distilled water needs to be. My 4.0 water mixed with the 4.0 and 6.86 powder, resulted in a solution of 3.3 and 6.0 instead, so IMO, the MIY calibration solutions are a joke, as are ph meters that calibrate on the 6.86 standard instead of 7.0.

Q: If i use a 7.0 calibration solution will the automatic calibration be off by .14 since it comes with a 6.86 calibratind powder?

Yes! I recently calibrated with 7.0. Prior to calibration, it read the 7.0 solution at 7.0, calibrated with 7.0 solution it now reads 7.18. Find the correct calibration solution

Q: If my tap water is between 6.5 and 7.0 ph do i need to add the ph up and down liquid i bought for indoor cannabis grow? What about ppm?

If you’re growing in soil 6.5 is perfect if you’re growing in Hydro/water do you want to be around 5.8 say you’re at 7.0 PH I would just add a couple drops per gallonTo get it down two around 6.5

Q: If I choose EC, does it retain the setting after power cycles?

Yes, but my meter randomly switched back to TDS. The "EC" does not show a decimal, and the numbers are too close to TDS. If you don't pay attention, you will hurt your plants. Do not purchase.

4.0/5

ID del producto: 726715165

Transacción segura

⚡±2% readout accuracy

📏0.05 pH precision

🌡️3-in-1 TDS, EC & Temp

Comprados juntos con frecuencia

VIVOSUN Digital pH and TDS Meter Kits, 0.01pH High Accuracy Pen Type pH Meter ± 2% Readout Accuracy 3-in-1 TDS EC Temperature Meter for Hydroponics, Pool and Aquarium, Yellow Blue, UL Certified

General Hydroponics pH Control Kit For A Balanced Nutrient Solution

General Hydroponics CALiMAGic 1-0-0, Concentrated Blend of Calcium & Magnesium, Secondary Nutrient Deficiencies Helps Prevent Blossom End Rot & Tip Burn, Clean, Soluble, 1-Quart

Descripción

🌊 Master your water quality like a pro—precision meets portability!

PINPOINT P H ACCURACY - Ultra-precise 0.05 pH resolution for flawless water quality control
VERSATILE APPLICATION - Ideal for aquariums, pools, hydroponics, and home lab testing
TRIPLE MEASUREMENT POWER - Simultaneously measures TDS, EC, and temperature for comprehensive insights
PORTABLE LAB GRADE DESIGN - Lightweight, pen-style with protective case—perfect for on-the-go pros
RAPID RELIABLE READINGS - Fast response with ±2% accuracy ensures you never miss a detail

The VIVOSUN pH & TDS Meter Combo delivers lab-grade precision with 0.05 pH resolution and ±2% accuracy. This 3-in-1 handheld device measures total dissolved solids (TDS), electrical conductivity (EC), and temperature, covering a wide range of 0-9990 ppm and 0-80°C. Lightweight and portable with a protective case, it’s perfect for professionals and enthusiasts managing aquariums, pools, hydroponics, or home labs.

Presupuesto

Part number	4336465266
Item Weight	100 g
Package Dimensions	17.5 x 10.02 x 3.4 cm; 100 g
Is Discontinued By Manufacturer	No
Batteries Included	No
Batteries Required?	No

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I have purchased 2 of these, why are they so inaccurate?

If i use a 7.0 calibration solution will the automatic calibration be off by .14 since it comes with a 6.86 calibratind powder?

If my tap water is between 6.5 and 7.0 ph do i need to add the ph up and down liquid i bought for indoor cannabis grow? What about ppm?

If I choose EC, does it retain the setting after power cycles?

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VIVOSUN pH & TDS Meter Combo 0 05ph High Precision Pen Type pH Meter & +/- 2% Readout Accuracy 3-in-1 TDS EC Thermometer TDS + PH

Descripción

Presupuesto

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