8 Best Digital Pool Water Testers of 2021

Last Updated: June 16, 2021

Swimming pool water is sanitized by the addition of totally different chemical compounds to kill algae and dangerous micro organism. You can’t keep a swimming pool with out testing the water for the degrees of these chemical compounds regularly. The extra common and frequent, the higher. Daily testing is the really helpful minimal, and digital kits are the most recent factor for pace and ease of use.

Figuring out which digital equipment to purchase generally is a drawback although. Most folks aren’t chemists or chemistry majors, so evaluating totally different kits and deciding which one is best will be difficult to say the least.

We’ve gone out and completed that for you. We’ve regarded over the merchandise and kits which can be accessible, and analyzed their options and advantages, and their benefits and downsides, to supply these opinions that provides you with the data you must make this necessary determination.

Read by way of the opinions beneath in addition to the fast reference “pros and cons” sections underneath each. This ought to simplify the method of selecting a testing equipment that’s fitted to you and your particular wants. Let’s get began.

Comparison Table (up to date in 2021)

The 8 Best Digital Pool Water Testers

1. LaMotte ColorQ Pro 7 Digital Pool Water Test Kit – Best Overall

LaMotte 2056 ColorQ Pro 7 Test Kit


Instead of having to match the colour on a strip to a chart, this test kit offers you a digital readout.

Many kits contain strips that change shade relying on the chemical ranges within the water. Then you must match the colour, shade for shade, to a separate shade chart to find out what the degrees are. The distinction between 0.6 and 1.0 on the chlorine is nearly inconceivable to discern on that chart, as is the distinction between pH 7.2 and seven.6. It’s virtually inconceivable even for an individual with 20/20 imaginative and prescient.

This equipment is simplicity itself to make use of. You fill the vials with water out of your swimming pool, then add 5 drops of whichever reagent you’re working with. Insert the vial into the tester and hit the button. The outcomes are introduced to you on an easy-to-read digital readout. The outcomes are almost as correct as what you’d get on the pool store.

The reagents have a brief shelf life, however the skill to persistently get correct outcomes will save you a large number of pool chemical compounds, and consequently, a ton of cash.

It even comes with a handy carrying case. This is the testing equipment you’ve been searching for.


  • Easy to make use of
  • Digital readout
  • Convenient carrying case
  • Saves cash on chemical compounds


  • Short shelf life for reagents

2. Bluewave Electronic Pool Water Tester

Bluewave 6-in-1 NP2060 Tester


This is one other digital readout water tester, nevertheless it’s lower than the requirements of the highest choose. It doesn’t present an precise chlorine degree studying. Instead, it merely tells you “low,” “good,” or “excessive.” The temperature and pH readings are precisely displayed, however “low,” “good,” and “excessive” outcomes for chlorine ranges aren’t precisely the cat’s meow.

The pH readings aren’t 100% correct. After the preliminary calibration, it at all times appears to learn 0.4 decrease than it truly is.

The equipment is rugged sufficient. The water resistant casing is made of robust plastic, with massive LCD readouts and enormous, well-labeled buttons. The producer claims it has commercial-grade know-how within the sensor. Maybe so, however the lack of element within the readouts render it roughly irrelevant.

It’s definitely straightforward sufficient to make use of. In truth, it’s really easy a toddler might use it. If you’re glad with bland readouts that don’t present any specifics on the outcomes, then you definately’ll be pleased with this tester. Otherwise, you may need to rethink it and spend a bit extra money for the highest choose.

3. HM Digital Pool Water Tester – Best Value

HM Digital TDS-EZ Water Quality TDS Tester


The HM Digital TDS-EZ Water Quality TDS Tester is one other nice digital pool water tester. It’s correct to inside 3%, which makes it correct sufficient for almost any use. It additionally saves measurements with the maintain button, so you’ll be able to have sufficient time to learn them and report them if you must. This mannequin runs on two button cell batteries and might present as much as 1000 hours of life on one cost. That makes it cheap to run and signifies that you gained’t have to fret about altering the batteries steadily.

The factor we like most about this digital pool water tester is that it’s accessible at an awesome value. Since you will get it for a fraction of what you’d pay for the highest ones, it’s the perfect general worth for the cash on our listing. The one factor that might be higher is its sensitivity to temperature. You get totally different readings within the morning when it’s cooler and within the afternoon when it’s hotter. Still, if you happen to’re searching for a water tester that works properly and gained’t break the financial institution, this selection will make most individuals comfortable.


  • Very correct
  • Saves measurements
  • Long battery life
  • Great value

4. pHin Digital Pool-Water Tester & Monitor

pHin Wi-Fi-Enabled Smart Water Care Monitor


The pHin Wi-Fi-Enabled Smart Water Care Monitor is an costly however high-quality digital pool water tester that the majority customers love. The smartest thing about it’s that it connects to your Wi-Fi and provides you info in your smartphone by way of pHin’s app. That means you’ll be able to monitor your pool’s standing from wherever, whether or not you’re related to your Wi-Fi or not. The pHin works with chlorine, bromine, and salt swimming pools, so that you don’t must do something particular to make it work, it doesn’t matter what form of pool you could have. It additionally measures your pool high quality 144 instances a day, so that you get very correct details about your pool’s standing. Those frequent measurements offer you an in depth view of how your pool is doing, so you’ll be able to preempt some issues earlier than they begin, or discover ways to handle your pool successfully in numerous seasons.

The one factor we don’t like is that this tester comes with an inside, unchangeable battery, and as soon as it dies, you must alternate it. If you’re a subscriber to the costly yearly plan, you get a free new tester. If not, you’ll have to purchase a brand new one your self, which isn’t an awesome deal.


  • Remote monitoring
  • Bromine, salt, and chlorine-ready
  • Frequent readings
  • Detailed info

5. MiToo Pool Water Test (digital)

MiToo Vantakool Digital PH Meter


The MiToo Vantakool Digital PH Meter has some issues going for it, although it could be too irritating for a lot of customers. Its large upside is that it may measure from 0 to 14 pH with none points, so that you’ll be capable to get an correct picture of your pool’s state, regardless of how badly it’s been uncared for. It’s additionally cheap, and prices roughly as a lot because the “best worth” entry on our listing. Unlike that one, it comes with automated temperature compensation, which is a extremely helpful factor to get at this value level.

Unfortunately, this meter has inconsistency issues. Some items report three totally different readings on three consecutive measurements, which makes it arduous to know what your pool actually wants. This drawback appears to be confined to simply some of the shipped items, which means that this firm has significant high quality management issues. If this tester had been extra persistently dependable, we’d be capable to rank it larger on our listing. As-is, customers are going to be annoyed with it. Most folks can be happier with a distinct meter, even when it meant spending a bit extra.


  • Large measuring vary
  • Inexpensive
  • Automatic temperature compensation


  • Can be inconsistent
  • Poor high quality management

6. Solaxx SafeDip Digital Test Meter for Pool-Water

Solaxx MET01A SafeDip Digital Test Meter


If you personal a salt pool and desire a digital pool water tester that will probably be as much as the duty, the Solaxx MET01A SafeDip Digital Test Meter is price testing. It additionally works with chlorine swimming pools, so it’s price contemplating if in case you have one of these. This meter is comparatively straightforward to calibrate, and you should utilize faucet or distilled water, along with dearer specialised testing options. It additionally has good general accuracy, which is necessary when making an attempt to get your pool into optimum form.

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However, this mannequin requires frequent recalibration to remain dependable. That means you’ll must recalibrate a minimum of as soon as a month, and presumably extra if you happen to’re utilizing it typically. Otherwise, it tends to float out of alignment. Given the instrument’s value, we’d prefer it to have the ability to go longer with out having to undergo a calibration cycle. Ultimately, you need tools that makes your life simpler, and whereas this meter is correct, it’s roughly as a lot of a ache as testing your pool with paper strips. Most folks will be capable to avoid wasting cash by getting a digital pool water tester that they like utilizing extra.


  • Works with salt and chlorine
  • Easy calibration
  • Good accuracy


  • Expensive
  • Frequent recalibration

7. HM Pocket-Size TDS Pool Water Test HM Digital TDS-4 Pocket Size TDS Tester Meter


The HM Digital TDS-4 Pocket Size TDS Tester Meter is on the cheap facet, however if you happen to’re searching for a digital pool water tester with unimaginable accuracy, it has what you want. While most testers accept being correct inside a number of p.c, this one is sweet to inside plus or minus two p.c of the actual studying. It additionally has automated temperature compensation, which makes it nice for locations which have large temperature swings all through the day.

Unfortunately, this mannequin has a foul LCD display. It’s not very brilliant, and if the solar is out that day, it could be arduous to learn the display. It’s additionally not waterproof, so if you happen to drop it within the pool, it’s doubtless a goner. Worse, some items have inconsistency issues. All these points mix to create a reasonably large headache for many customers. If you’re searching for a digital pool water tester that can get the job completed each time with none problem, you’ll in all probability must put money into a distinct one. The unhealthy information for this instrument is that you would be able to spend roughly and get a extra helpful expertise, which actually hurts its rank.


  • Good accuracy
  • Automatic temperature compensation


  • Bad LCD display
  • Not waterproof
  • Some inconsistency

8. Aqua Chek Trutest Tester/Reader

Aqua Chek Trutest Digital Reader


The Aqua Chek Trutest Digital Reader manages to mix all of the upsides of a digital pool water tester with all of the downsides of a paper-based testing system. The upside is that it really works with chlorine and bromine swimming pools, and has the tools essential to work together with your hot tub and pool if you happen to use totally different brokers in every. It additionally has a big, easy-to-read LCD display, which is necessary to must keep away from irritation.

However, you must use take a look at strips with this unit. You insert them into the gadget to get the measurement, which suggests you must pay for take a look at strips despite the fact that you could have a bodily gadget. It additionally has poor directions, which may make it arduous to make use of, and the trial-and-error technique many customers make use of can result in inaccuracy. Since it’s not measuring the pool instantly, this meter goes to be much less correct than many different choices on our listing, which isn’t one thing anybody desires to take care of. Overall, it’s simply not a very good deal, and it’s not a instrument that can go away most customers very comfortable.


  • Works with chlorine and bromine
  • Large LCD display


  • Poor accuracy
  • Poor directions
  • Requires take a look at strips

Buyer’s Guide

Keep a watch on the transport prices if you happen to’re shopping for on-line. Most web sites will solely supply free transport in case your buy meets some arbitrary value restrict, and a number of of these kits won’t. If so, it is likely to be price your whereas to see in case your native swimming pool retailer has them in inventory for a similar value or much less. Even with native gross sales taxes, it may nonetheless price much less to purchase on the retailer typically. A fast telephone name might prevent a couple of bucks.

You ought to at all times comparability store anyway. The benefit of on-line procuring has at all times been to save cash, however brick-and-mortar shops have realized to battle again with some cost-saving measures of their very own. That competitors can work to your benefit if you happen to do some value procuring earlier than shopping for. After all, you want to save cash, don’t you?

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What makes a very good digital testing equipment?

First and foremost, a digital readout. As we mentioned earlier, older take a look at kits had take a look at strips that needed to be visually in comparison with a shade chart to find out the varied chemical ranges. But visible comparisons, by nature, are extraordinarily subjective and subsequently not very correct. A digital readout solves these issues.

Accuracy is the following high quality to search for, each in measurement and presentation. An correct meter that solely offers obscure outcomes or generalities isn’t any higher than the outdated take a look at strips. The best digital testing kits will show the take a look at ends in particular numbers with decimal factors.

Detailed outcomes assist you to make detailed changes in your chemical compounds. Pool chemical compounds will be costly, and smaller, detailed changes will save you a large number of cash in the long term. But that is solely if in case you have a take a look at equipment that offers you the correct, detailed info you must make these varieties of changes.

Finally, a very good take a look at equipment must be rugged and water resistant. It ought to be capable to stand up to being dropped. If you take a look at your pool water typically sufficient, ultimately you’ll drop the tester, both on the deck or within the water. The producers know these kits are getting used round water and will design their merchandise with that in thoughts. A tester that breaks or shorts out the primary time it’s dropped isn’t definitely worth the cash you paid for it.

Available Options

The most typical consumable merchandise(s) related to take a look at kits are the chemical compounds or reagents they use to check the water. All-electronic kits don’t require reagents, however most kits, particularly the correct ones, nonetheless do. Go forward and refill on reagents whilst you’re getting your equipment. You’re going to wish extra ultimately anyway, and also you’ll save on transport by bundling it together with your testing equipment.

Even if you happen to’re shopping for the equipment on the native swimming pool retailer, you’ll a minimum of save your self a visit down there if you happen to get additional reagents up entrance. Some shops additionally supply reductions for amount purchases. They’re positively making an attempt to compete with the net firms, and that is one of the methods they do it.

Another factor you may take into account getting is a few rechargeable batteries. Digital take a look at kits are battery-powered, however they don’t at all times include rechargeable ones. If they don’t, batteries will rapidly turn out to be a consumable merchandise until you get some rechargeable batteries on the facet. We positively suggest these as a money-saving choice in your equipment.

Our different pool-water associated purchaser’s guides:


Hopefully, these opinions have been useful to all of the pool house owners on the market who need to keep their swimming pools with out having to get a level in chemistry to do it. Testing kits will be complicated until you could have some assist, and that’s the purpose of doing these opinions.

The prime choose is the LaMotte 2056 ColorQ Pro 7 Test Kit. This equipment is the most recent and biggest factor to return down the pike. Using it’s simpler than following the instructions for baking a cake, and the digital readout offers you the accuracy you want with out having to monkey round with shade strips.

The best for the cash selection is the Rozway Pocket RW-DPHM-2017. It’s a single-test, single-purpose digital gadget that does one factor solely and does it properly. This cheap and environment friendly tester delivers loads of bang for the buck.

Now you’re ready to exit and make your selection about which equipment is best for you. Keep these opinions shut at hand for reference and also you gained’t have to fret about making the unsuitable determination – which, in spite of everything, is the entire level.

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