Reddit reviews PentaBeauty PH Meter, PH Meter 0.01 PH High Accuracy Water Quality Tester with 0-14 PH Measurement Range, PH Meter for Water/Brewing/Food/Soil/Sauce/Laboratory, TDS Meter, PH Pen
We found 1 Reddit comments about PentaBeauty PH Meter, PH Meter 0.01 PH High Accuracy Water Quality Tester with 0-14 PH Measurement Range, PH Meter for Water/Brewing/Food/Soil/Sauce/Laboratory, TDS Meter, PH Pen. Here are the top ones, ranked by their Reddit score.
I haven't found right soil yet, but found one for drainage layer https://www.amazon.de/dp/B075SYJM29/ref=emc_b_5_mob_t