

American Marine PINPOINT pH Probe
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LouFromDetroit
> 24 hourWriting this review after 1 year of use. So far is has worked great and is a good value. I have it working with the Atlas Scientific board in my Reef-Pi setup. The much more expensive Atlas probe died after 1 year and was not as accurate. So I would buy this again in future.
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Dee From Brooklyn
> 24 hourWorks great
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Darrel Nystrom
> 24 hourAfter shopping for a replacement PH sensor for my old Polaris Watermatic C-600 ORP/pH Controller and finding the going price around $200, I decided to give this probe a shot. It works perfectly and I am once again able to calibrate the controller. Physically the probe may be slightly smaller in diameter as I had some trouble getting a good seal. It did arrive loose in a box without any packing material, but because of its weight and the 10 of lead I dont think it moved around much. The tip of the probe was in a vial of solution as it should be.
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Customer
> 24 hourI used them at 80 c high temperature acidic slurry and they are very durable. After a couple days I still found they can measure accurately by checking the standard solution.
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Richard C.
> 24 hourIt works as advertised
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Malcolm L Davis
> 24 hourI wont really know until I know how long it lasts. The orginal one did not last long at all.
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Elbert Hettinger
> 24 hourNice ph sensor well built good response I would recommend this product it can be left installed for continuous measurements
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David Brunton
> 24 hourLoses calibrationQUICKLY !!!!
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gilberg nicolas
> 24 hourI got it a few days ago. calibrated it. Works like a charm with apex. Seems accurate and I think better than the finicky apex one. (mine might have been defective) For $35, go for it ! I got another one about a year later. Came not calibrated , after calibration readings are totally wrong. Poor quality control. Disappointing for a brand I trusted.
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Ron Tetter
> 24 hourLiked everything about it. I use it with pinpoint ph monitor for accurate and reliable results