Quote:
Originally Posted by boricuaboi
you can use all of them but it wont be as affective as ph up and down, those other ones lemon,vinegar are not as concitrated to hold the ph that long so you might be ph testing a lot i used to use vinegar never held the ph for a day
that is hydro
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Yea I have to test the ph before every watering. it goes back up after like a day or 2 with vinegar.