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Hey guys I'm looking at getting a TDS meter to check my hardness for my shrimp.

Has anyone got a cheap tester that's not too bad. Looked on eBay and found ones for as low as $8. But was keen on one from Aus for something like $13.

Before I buy one has anyone got a recommendation? I'm not going to be spending over $50 on a tester as I'm only needing the basics and prefer not to use test kits. I suck at those.


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