Hey y'all.
So, up until now I've been using an aquarium ph testing kit to test and adjust my water ph. I have to pretty much guess what my ph is from the colour chart that came with it. I need to change this and go digital. So my question is... what is the difference between a ph meter that cost £10 and a meter that costs £100?. Will the £10 meter be accurate enough? I believe I can calibrate either meter with pre ph'd substances at ph 4 and 7 so why would I need to spend 10× the price?. If any of you use a £10 meter let me know if they're any good please. If you bought an expensive one please tell me what the benefits are. Thanks ☺
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