Top 4 Best PPM Meter

Finding the best PPM Meter is a significant chore. In reality, hydroponic gardening, in general, may feel a good deal as an undergraduate-level science course occasionally!

Were you aware it is the most precise measure of water quality? So what’s it? Parts per million (ppm) is a measure of the concentration of dissolved & frozen solids in your water or alternative. Tough water, which is typically high in magnesium and calcium, has a top ppm. Most of us know that magnesium and calcium are a good thing, but a lot of good things is a terrible thing.

A good PPM meter is also a reasonable option for measuring up in your house. They are very helpful for measuring the PPM amount of drinking water, aquariums, hydroponic solutions, and also most other options. PPM meter dimensions are linked to the electric conductivity of water. Pure water contains almost zero conductivity, whereas water using a greater PPM has greater.

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Top 4 Best PPM Meter

#1 – Bluelab PPM Pen

Bluelab PENPH pH Pen, Digital Meter for Water with Easy Two Point Calibration and Double Junction Probe Test Kit for Hydroponic System and Indoor Plant Grow, White
  • Measures pH in nutrient solution (acid or alkaline) for precise up and down adjustment with lab quality glass probe; General uses include growing tent, swimming pool, drinking water, aquarium, fish tank, and brewing
  • This hydroponics tester has ATC that provides consistent reading regardless of any fluctuations in temperature; Calibration reminder; Durable design for repeated uses; Fully waterproof and floats in solutions
  • Double junction electrode has a longer lifespan compared to standard probes due to less contamination and is more accurate and reliable than comparable pens, test strips, drops, and more
  • Combine with ppm meters for full indoor garden nutrients monitoring in water and soil; Other features: Auto off function, low battery indicator, units for temperature; KIT INCLUDES: AAA battery, lanyard, and calibration solution
  • IF PROBE IS DRY, SOAK IN KCL SOLUTION FOR 24 HOURS, KCL SOLUTION IS SOLD SEPARATELY; Made in New Zealand, and manufactured by Bluelab, the industry leader in hydroponic testing equipment; 1-Year Limited Warranty with proof of purchase

If you have got your heart set on the BLU2210 but do not love it does not arrive with a PPM readout, the Bluelab PPM Pen is the best answer. This compact device measures conductivity and temperature, so it is completely waterproof, and it’s a bright backlit LCD.

This isn’t a pH pencil, which means you will need to look elsewhere for your pH measurements. This instrument is mainly useful for measuring additional nutrients in your own water options, helping growers to prevent over or under-doing it with nourishment.

#2 – HAITRAL TDS Tester 0-9999 PPM + Digital PH Meter + FREE PH Test Strips Aquarium Pool Hydroponic Water Monitor


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#3 – Bluelab Conductivity Pen

Bluelab PENCON Conductivity Pen and Digital TDS Meter, Water Tester for Temperature and Nutrient (CF, EC, PPM 500, PPM 700), TDS Testing Kit for Hydroponic System and Indoor Plant Grow
  • Conductivity pen can test and monitor your nutrients (TDS) level to maximize your grow and ensure plants get the balanced feed they need; General uses include growing tent, swimming pool, drinking water, aquarium, fish tank, and brewing
  • This hydroponics tester has ATC that provides consistent reading regardless of any fluctuations in temperature; Durable design for repeated uses and fully waterproof and it floats in any solution
  • Calibration optional, the meter comes factory calibrated so it's ready to be used; Regular cleaning is recommended for accurate reading; Different units are available (EC, PPM 500, PPM700, and CF)
  • Combine with our pH pens and meters for full garden nutrient monitoring in water and soil; Other features: Auto off function, low battery indicator, units for temperature; KIT INCLUDES: AAA battery, probe care kit is sold separately
  • Made in New Zealand and manufactured by Bluelab, the industry leader in hydroponic testing equipment, built for grower; 2-Year Limited Warranty with proof of purchase

Product Features / Advantages

  • Entirely waterproof, not simply water-resistant
  • Selectable measurement units so you can optimize your tastes
  • Horizontal electrode for easier cleaning and maintenance
  • Hold reading role to catch every dimension Easily
  • Automatic temperature compensation for precise readings everywhere
  • Auto-off function to prolong battery lifetime
  • 1 x AAA alkaline batteries included, getting you started instantly

Why measure conductivity and temperature?

Understanding plant health principles

All plants require access to the ideal quantity of food (nutrition ) so they can grow and flourish. Over- or under-feeding your crops may result in the waste of expensive nutrient sources.

The simplest way to keep tabs on the number of nutrition in your solution would be to frequently measure conductivity, which describes the total ionic content (dissolved salts) in away. From a scientific standpoint, when added nutrients, this creates the possibility of power to undergo an alternative, increasing the electric conductivity.

Measuring the warmth of your alternative is just as significant, as – if it is too hot or too cold – that may affect the plants’ growth rate and construction.

A compact and sturdy hand-held solution
Authentic and customizable measurements

Providing quick and precise readings in the click of a button, you may be certain the user-friendly Bluelab Conductivity Pen will provide you dependable results, every single moment.

In addition, this product delivers a variety of in-built measurement components, and that means you’re going to have the ability to customize it according to your taste. To get conductivity readings, you can select between EC, CF, PPM 500 (TDS) or PPM 700; for fever, it is possible to pick ˚C or even ˚F.
Designed and constructed in New Zealand with growers, for growers

Our products are created for the grower’s surroundings — not the laboratory — so you can be confident the Bluelab Conductivity Pen may manage the knocks and drops that include daily usage. This totally waterproof product will also float as it lands up in your reservoir.

Combine it with all the Bluelab pH Pen
Expand your toolkit to pay for all of the principles

As a grower, your solution’s pH (potential Hydrogen) is your most crucial fundamental measurement to monitor. It plays an essential part in making nutrients soluble in water so they may be retrieved from the plants.

By measuring conductivity, temperature, and pH, you will not only be actively managing your nutrient levels but also making certain your crops have access to the food that they require. This will result in healthier, thriving plants and improved crop yield. Start tracking the principles now.

Prepared to combine your Conductivity Pen together with all the Bluelab pH Pen? View the Bluelab Grower’s Toolbox.

#4 – TDS Water Quality Tester, 0-9990 ppm Measurement Range, 1 ppm Resolution, together with Temperature Calibration

TDS Meter Digital Water Tester, DUMSAMKER Professional 3-in-1 TDS, Temperature and EC Meter with Carrying Case, 0-9999ppm, Ideal ppm Meter for Drinking Water, Aquariums and More
  • ✅ TEST YOUR WATER: How Pure is Your Water? With the push of a button, the TDS water tester can tell you your overall water purity level, which will be displayed on the screen in ppm (parts per million)
  • ✅EASY TO USE AND ACCURATE: Just stick it in about 1 inch of water instantly you get the reading. It's compact and doesn't need any maintenance. The TDS water tester is a rugged model that includes a protective carrying case with belt clip
  • ✅MEASUREMENT RANGE: 0-9990 ppm. From 0-999 ppm, the resolution is in increments of 1ppm. From 1000 to 9990 ppm, the resolution is in increments of 10ppm, indicated by a blinking 'x10' image
  • ✅AUTO-OFF AND HOLD FUNCTION: The TDS tester shuts off automatically after 2 minutes of non-use to conserve batteries. Features a hold function that saves measurements for convenient reading and recording
  • ✅100% SATISFACTION: We stand behind our products and will always focus on your satisfaction. If you don't 100% love our products, please don't hesitate to contact us


  • Advanced CPU: Easily calibrated fever; 0 – 9990 ppm TDS tester dimension include 1 ppm precision.
  • Hold Button: Holds measurement worth when the meter is removed from the water for convenient reading and recording.
  • Temperature Button: Tests water in Celsius and Fahrenheit; 31 – 200-F degree range, 1-F degree precision.
  • Auto-Off Function: Shuts off automatically after 10 minutes of inactivity to conserve battery life.
  • Comprehensive: Great instrument for testing difficult water contaminated with arsenic, lead, aluminum, and other metals.

A TDS meter (aka up pencil, nutrient tester, TDS adhere ) is an inexpensive and convenient electronic instrument to instantly assess your total water quality. TDS stands for Total Dissolved Solids, which will be any sodium, metal or mineral in water. With the push of a button, the TDS meter informs you of your general water purity level, which can be shown on the display in ppm (parts per million). The lower the TDS level, the purer the water, with 0 ppm being pure H2O.

The TDS meter is very good for checking your tap water quality and knowing when to change a filter. The TDS meter is a good tool for drinking water, water filtration and purification, colloidal silver, hydroponics (examine your nutrition ), aquariums, RO/DI systems, spas, and pools, commercial and industrial programs, and much more. The TDS meter is a rocky version that includes a protective carrying case. Pressing on the warmth allows you to check the temperature of this water (allow 1-2 minutes to get a precise reading of the temperature
Reimbursement ).

This is the planet’s most popular handheld TDS meter for both industry professionals and family usage. Digital TDS3 PPM Meter, Home Drinking Faucet Water Quality Purity Test/Tester

Best PPM Meter on Youtube

Things to Consider When Choosing a pH or PPM Pen

Testing pH does not need to feel as confusing science experimentation — particularly once you adhere to these considerations to select the best pH pencil or PPM meter.


A high-quality electronic pH meter is produced out of durable parts and will endure for several climbs to come. Try to steer clear of the cheap Chinese-made products; those are a lot more likely to split after 1 or two harvests.

Ease of Use

Measuring your harvest’s pH or PPM worth ought to be simple. Some old-school growers remain loyal to pH drops and strips to their ease but trust us when we inform you that electronic pens are equally as simple to use (if you pick the perfect one).

Added Features

Your best choice is choosing an electronic pen which includes both pH and PPM readouts. If you are willing to spend a little extra, start looking for automatic calibration and included calibration liquid.


If you are on board using the electronic pen design, attempt to drift away from anything under $40. Sure, the very low cost could be tempting, but the very low cost means low-quality cheap pH pens. Measuring pH is a significant facet of a successful harvest, therefore the additional $20 or $30 is well worthwhile.


PPM Meter
PPM Meter

Q#1:  What Difference Between pH and PPM Pens and Meters?

Even though a pH pencil measures the alkalinity/acidity of a liquid remedy, the PPM (parts per million) pencil measures the total dissolved solids in a liquid. PPM and TDS meters would be exactly the same, both measuring just how much”stuff” is in a liquid.

Q#2: What if my PPM be during veg?

Cannabis enjoys 500-600 ppm after cloning, 800-900 ppm when vegetating, and 1000-1100 ppm when flowering. So knowing the mineral content of your water prior to mixing your notes can refrain from stressing you along with your crops.

Q#3: What’s the best mom for hydroponics?

EC Values for Hydroponics and Soil by Week

In the event you decide to quantify by PPM, hydro growers must begin with a remedy that’s 500 PPM and increase by 50 weekly. The pH ought to be near 5.5 and at 5.2. Any nutritional supplement with less than 200 PPM will probably be quite light.

Q#4: What happens when PPM is too large?

In case the ppm remains too large, you are able to await the plant to reduce the water levels, or you’ll be able to alter the reservoir water completely. Too low: Do exactly the same as you would if the pay proved too large, but instead, top-off with nutrient-rich water.

Q#5: What’s a good water ppm?

Concentrations less than 100 ppm is desired for national water supplies. The suggested choice for drinking water is 30 to 400 ppm. A minimum degree of alkalinity is desired as it’s considered that a”buffer” that prevents big variations in pH.

Q#6: What’s a PPM meter?

PPM stands for Parts Per Million, a measure of concentration. By concentration, we are referring to just how much of the nutritional supplement, or’soluble’, is dissolved in the water you feed your plants with. It is a means to measure tiny amounts of dissolved nutrients in the water. … PPM is quantified using a TDS or EC meter.


Our proposal is to get the best PPM Meter combo which tells you about the liquid’s content. Out of the most dependable Best PPM Meter, this instrument can make a large difference in your following harvest’s return. If precision, quality, and durability are vital to you, then we propose choosing the best quality product on the list.

Do not forget to check out our articles on reverse osmosis for cannabis growing and also our guide to growing cannabis indoors for more information.