Reddit Reddit reviews HM Digital DM-1 In-Line Dual TDS Monitor, 0-9990 ppm Range, +/- 2% Readout Accuracy

We found 2 Reddit comments about HM Digital DM-1 In-Line Dual TDS Monitor, 0-9990 ppm Range, +/- 2% Readout Accuracy. Here are the top ones, ranked by their Reddit score.

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HM Digital DM-1 In-Line Dual TDS Monitor, 0-9990 ppm Range, +/- 2% Readout Accuracy
The DM-1 helps you to measure the tap water coming in vs the purified water going out of your water filtration system at any timeThe In-Line Dual TDS Meter displays TDS levels of the feed water and product water with in and out electrode probesThis TDS Monitor is highly efficient and accurate due to its advanced microprocessor technologyHighly efficient and accurate due to its advanced microprocessor technologyAuto-Off function conserves battery power. The unit shuts off automatically after 10 minutes of non-useInstalls quickly and easily
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2 Reddit comments about HM Digital DM-1 In-Line Dual TDS Monitor, 0-9990 ppm Range, +/- 2% Readout Accuracy:

u/milkeeway · 23 pointsr/Aquariums

Equipment List
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u/kmkm31 · 3 pointsr/ReefTank

Just make sure you get the one with the DI. The replacement cartridges are pretty reasonable as well, and my lps sells them as well as amazon. I have heard nothing bad about that system. My TDS from the tap is 144, and is zero after that system.

Here is the TDS monitor for cheap:

https://www.amazon.com/gp/product/B001EHAZGW/ref=ppx_yo_dt_b_asin_title_o00_s01?ie=UTF8&psc=1

And a float valve if you need one:

https://www.amazon.com/gp/product/B0113UJOOS/ref=ppx_yo_dt_b_asin_title_o00_s00?ie=UTF8&psc=1