Can someone explain PPM please?

[Trebla781]

I am totally confused when something says PPM could someone please clear this up for me??

 

[hgih]

"parts per million" its how much particles are in what your measuring

 

[Trebla781]

But how do you know how much parts per million is in it?

 

[HGB]

But how do you know how much parts per million is in it?

with a ppm meter

 

[Trebla781]

so now i need a ppm meter?

 

[AlienBait]

so now i need a ppm meter?

If you are growing Hydro, it is a good idea. More important, however, is a good PH meter.