Poollab 1.0

lisevolution

Member
May 18, 2018
6
HUNTINGTON
I know this forum is not generally on-board with electronic water testing devices, but I recently saw a tester called PooLab 1.0 that looked pretty interesting. My friend who works in pool maintenance recently picked one up and absolutely loves it. I was curious if anyone on this forum happened to have some experience with it yet and if so what type of results they are getting as far as testing accuracy. It's certainly not the cheapest option for water testing out there but I always have issues with my standard test kit and never seem to get it correct (definitely user error) so I find myself relying on test strips for the daily tests and weekly checks at the pool store on their machine for more specific results. I'd love the ability to have something similar to what my pool store uses at home without having to spend a few hundred bucks or more.
 
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Donldson

TFP Expert
LifeTime Supporter
Jun 12, 2009
5,138
NW Ohio
Pool stores and test strips are not reliable (digital pool store testing doubly so), so if your test kit isn't aligning with those it sounds like it's working just fine to me. Stop going to the pool store and throw the test strips out.

As far as the item, I doubt any digital meter in that price range is very accurate.
 

jblizzle

Mod Squad
TFP Expert
LifeTime Supporter
May 19, 2010
43,238
Tucson, AZ
What test kit are you trying to use?
Please add your pool and equipment details to your signature.
 

justinc

Gold Supporter
Apr 3, 2019
591
Texas
The Pool Lab 1.0 i will only test chlorine 0-6ppm. Not great for TFP methods...Unless you are cool with just knowing if it says over read your chlorine is over 6. The other issue is that these units are calibrated at the factory and then you have no way of calibrating it yourself. Unless you send it in...I guess. A drop test kit like Taylor or TF-100 will not ever require calibration.
 

jetola

Member
Apr 27, 2020
16
Denmark
I have a poollab 1.0 and it works just fine. You are right, it can only test Chlorine from 0-6 ppm, but that is easily solved by taking just 2ml of poolwater and 8ml og distilled water - and then multiply the result with 5. I really like that you get PH, TA and CYA very precise, and also the FC and TC.
 

Donldson

TFP Expert
LifeTime Supporter
Jun 12, 2009
5,138
NW Ohio
that is easily solved by taking just 2ml of poolwater and 8ml og distilled water
Your definition of "easily" is pretty lax. I don't consider having to have distilled water on hand to be a reasonable expectation for any pool water test.

Your also buying in to the false precision of the test. No matter how much you want to believe it this device is not measuring to the precision it is spitting out. The cost alone should clue you in to that. No, they just put that in to convince you it's accurate. And it works wonders, people assume that if it shows a number to the hundredths place then it must be measuring to that. It is not that precise, nor is it very accurate. Nothing in that price range is going to give you the accuracy that a much cheaper liquid test will.
 
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usmcmarc

Member
Jun 24, 2018
6
Pine Bush
Your definition of "easily" is pretty lax. I don't consider having to have distilled water on hand to be a reasonable expectation for any pool water test.

So…having a bunch of chemical reagents on hand is “reasonable”, but a gallon of distilled water is crossing the line?
Dilution of a sample and using simple math happens to be a very common method to get a reasonably accurate reading of said sample when the concentration is over the tests limit. I don’t see the necessity of disputing jetola on this point.
It is not that precise, nor is it very accurate. Nothing in that price range is going to give you the accuracy that a much cheaper liquid test will.

…and you know this because you’ve collected actual data and have proven it? I’m not disputing your knowledge or experience in pool chemistry… but before making statements like that, maybe collect some data to back it up.

I’m not very optimistic about this product and it’s claims, but I’m not going to say it’s junk just because….

I’m going to purchase this item from Amazon since it’s returnable. I’ll compare its readings vs. my TF-100’s and come back to post my findings. Will it be accurate? I doubt it, but it IS 2021 after all. If it turns out to be junk, I’ll send it back.
So I should have results by the end of next week.
 
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Donldson

TFP Expert
LifeTime Supporter
Jun 12, 2009
5,138
NW Ohio
I don’t see the necessity of disputing jetola on this point.
Mostly I dislike when people dredge up a year old thread just because they feel compelled to argue against some long forgotten thing they disagree with.

Speaking of which...
 

usmcmarc

Member
Jun 24, 2018
6
Pine Bush
Ok…received the PoolLab 1.0 and reagents. Performed Chlorine, Combined Chlorine, Alkalinity, Calcium Hardness, CYA and pH using my TF-100 kit (w/ Hanna Instruments pH probe) and the PoolLab 1.0. Performed tests on 2 different days, 3 days apart. (Note. PL 1.0 tests total chlorine, so CC reading is obtained by subtracting free chlorine from total chlorine

Day 1:
TF-100————|————-PoolLab 1.0
fCl- 6—————|————-5.41
CC- 1—————|————-.82 (tCl 6.23)
Alk- 90————|————-86
CaCO3- 225———-|————-219
CYA- ~50———-|————-67
pH- 7.8————|————-8.15

Day 2: (Today)
fCl- 2.5————|————-3.14
CC- .5———— |————-.13 (tCl 3.27)
Alk- 90————|—————87
CaCO3- 225———-|—————220
CYA- ~50———-|—————64
pH- 7.67———-|—————7.75

So….. as you can see they are very close to each other. Initial testing shows this device is definitely accurate when compared to the drop tests. We aren’t looking for laboratory level results here. In my opinion, the PoolLAB 1.0 would be a very good device for the average pool owner. NOW, I understand this isn’t a huge amount of data. I plan to test more, to verify the results will remain “accurate”. Of coarse there is going to be the question of how long will the device keep its accuracy. I’ll have to use it for a few seasons to know.
One thing I do know, I use 4 different photometers from Hanna Instruments for my planted aquarium. I’ve found that photometers (at least the Hanna ones) don’t lose calibration. I’ve used them for 3 years now and when I check with a known standard, they pass the test. So, it’s possible this photometer could be similar. You could very easily get some standards and perform the tests to verify accuracy. This unit also has the capability to test numerous other parameters. You need to purchase the reagents to perform those tests, but if you need to… it’s there.

So in conclusion…. I don’t see why this device should be shunned by the pool community. I, for one, now plan to keep this. So much easier than pulling out the drop test kit. If you’re having problems….cloudy water…algae, etc. Then break out the drop tests to verify your readings.
 
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Donldson

TFP Expert
LifeTime Supporter
Jun 12, 2009
5,138
NW Ohio
CYA- ~50 67
This you think is "very close"?!? Amazing what you'll say is a good result when you have an agenda you're trying to push.

You can use whatever you'd like, but we will continue to recommend and require testing methods that are inexpensive, accurate, repeatable, and don't rely on false precision to convince people they are more accurate than they are capable of being. No digital tester under a couple thousand dollars has ever shown to be anywhere near as useful as a Taylor test kit. There's no reason to have two kits at more than twice the cost of a single kit that can provide the necessary data to properly manage a pool. If you'd like to spend your money on such things, that's your money to spend. I wouldn't recommend it to anyone as more than a novelty that creates extra work for no benefit.

EDIT: BTW, you're letting your FC drop too low for your CYA level. You may want to concentrate on properly maintaining your own pool before trying to convince random people on the internet that a digital tester you've had for whole hours is a worthwhile investment.
 
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