The innovative WaterLink® Spin Touch® photometer is the undisputed Ferrari of water testers. It can do 10 Pool & Spa water Test Factors in 60 seconds! If you are looking for the top of the line photometer tester look no further. You can also transfer the test results through their DataMate software and store them in a cloud online. As part of the testing procedure, you will need to fill the Spin Disks with the water sample and incorrectly filling the disks can make the test results inaccurate. After a bit of practice filling the disks correctly becomes easy and you will get a spot on test results each time. Since the disks come sealed with a precise amount of reagent inside each chamber the water sample is the most important factor when using the Spin Touch and a false reading can only happen with underfilled disks. It is actually better to overfill than to underfill the disk.
One method that I use in training on filling the disks is to use food coloring to make the water sample darker. You wouldn’t run these disks through the Spin Touch but rather fill a few disks with water samples with food coloring. After two or three disks you will be able to visually see the chambers filling with water from the bottom to the top. I also mark the fill line with a Sharpie so that you can see exactly where to stop. If you have just purchased the Spin Touch or are using it in your pool store, try this method and you will see how easy it is to fill the disk.
When the syringe is inserted correctly in the disk it should stand up on its own. This is also an important factor because if you inject the water sample and it leaks out everywhere you will get an improperly filled disk. If you fill the syringe up all the way, there should be about 1 cm of water left after properly filling the 10-Test Disk. If you have more than that left in the syringe you probably have underfilled the disk. If you have less than that you probably have overfilled the disk. Again, it is actually pretty easy to do with some practice.
The 3 Parameter 3 use disks are a little trickier to fill. The area for the water sample is broken into three separate parts since these disks do just 3 Test factors and can be used 3 times. So, filling them with a water sample with food coloring is even more essential. Again, the same principle applies in that overfilling the disk is better than underfilling the disks. If you are unsure just fill the disk completely until water drips out. It will be overfilled but should still give you accurate results vs those disks that are underfilled.
The Three Disk Spin Disk Series comes in two types of disks.
The 4334-H (501 Series) measures these tests:
Free Chlorine (Bromine)
Total Chlorine
pH
(Combined Chlorine is calculated by Spin Touch®)
The 4335-H (601 Series) measures these tests:
Free Chlorine (Bromine)
pH
Alkalinity
The 10 test parameter disks come n a variety of configurations.
4328-H will test for:
Free Chlorine, Total Chlorine, Bromine, pH, Calcium Hardness, Total Alkalinity, Cyanuric Acid, Copper, Iron, Salt
4329-H (the most popular disk) will test for:
Free Chlorine, Total Chlorine, Bromine, pH, Calcium Hardness, Total Alkalinity, Cyanuric Acid, Copper, Iron, Salt, and Phosphate
4330-H will test for:
Free Chlorine, Total Chlorine, Bromine, pH, Calcium Hardness, Total Alkalinity, Cyanuric Acid, Copper, Iron, Salt, and Borate
4331-H will test for:
pH, Calcium Hardness, Total Alkalinity, Copper, Iron, Borate, Biguanide, Biguanide Shock
The Spin Touch is a must-have photometer if you do advanced water testing in the field or in your pool store.
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