<span class="link_user">@oscoy</span>, yeah bro invest in a good ph meter. Even with the good ph meter, you have to recalibrate so often. So if you can, get the ph calibrator and go from there.
<span class="link_user">@MaryJaneUSA</span>, I use a cheap ph meter :/ is it possible I am having a wrong pH? Yes you are right, I was hoping high plants compared with what I have right now. Theorically I have it around 6.2. Thank you for your comment.
