Somewhat fiddly to set up, especially on a Mac where purchase of the "SWS" (specialised router) was unavoidable. Too many separate items to "register" at different locations (easy to get lost in it all). Then a separate set up for the wireless add-on. Despite the claims in an online review I read prior to purchase, it turns out the replaceable "slide" is necessary for BOTH pH and ammonia readings, and the slides must be changed every month (so that is an ongoing cost). Curiously, the SWS interface (accessed via a laptop) does NOT allow access from remote locations, only when on the same local area network as the sensor unit. This, I presume, must only be available via the mobile phone app (which so far hasn't worked on my Samsung S6). So, at roughly AU$500 to get all this, it may not be great value, but it does provide an ability to monitor basic parameters and log them through time. Perhaps most valuable as "insurance" on a large expensive tank where you just can't afford for things to go seriously wrong.Read full review
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