[問題] 有推薦的測PH的東西嗎?
如:測PH的試紙、測試筆、測試器、監控器......等
請問有推薦的牌子跟哪一款嗎?
價位1500上下可接受,以越準確越好為原則
當然越便宜又有一定的準確度更好!!
網路上看有測試筆300元左右,有測試器1000元上下,測試筆這麼便宜有甚麼缺點嗎?
比如說很不準?
請高手指示,感謝!!
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