What is this PPM im always reading about?

Slojo69

Well-Known Member

Jan 16, 2011

• #1

PPM Obviously stands for parts per million, im just wondering what the chemical is that people are talking about for the PPM and how is it measured? is it the Ph measurement in the water? I know you want ph around 6.5 -7.0. is that 6.5 -7.0 ppm?

 

D

dhg734

Member

Jan 16, 2011

• #2

google "total dissolved solids"

 

Slojo69

Well-Known Member

Jan 16, 2011

• #3

dhg734 said:

google "total dissolved solids"

Click to expand...

So "TDS" = PPM? which means contaminants and such?

 

jeeba

Well-Known Member

Jan 16, 2011

• #4

No its amount of minerals and such in the water.Think of it like making choclate milk highh ppm woul be like adding alot of choclate coco mix to the milk.

 

Slojo69

Well-Known Member

Jan 16, 2011

• #5

Bleh im so confused, is it ok if i just worry about the PH of my water and make sure i filter it and let it sit out for a day or so to let the chlorine evaporate? lol

 

jeeba

Well-Known Member

Jan 16, 2011

• #6

No u will end up with nute burn.Are you asking how to check P.P.M?If so there are meters out there.

 

Slojo69

Well-Known Member

Jan 16, 2011

• #7

That was part of the question, aye.

 

jeeba

Well-Known Member

Jan 16, 2011

• #8

I use this http://www.google.com/search?q=hanna+9813-6n&hl=en&rlz=1T4GGLL_enUS371US371&prmd=ivns&source=univ&tbs=shop:1&tbo=u&ei=UtQzTb3iKsO88gbP_aWgCQ&sa=X&oi=product_result_group&ct=title&resnum=3&ved=0CC8QrQQwAg&biw=961&bih=435 some people on here dont like hanna and im new so read up and choose a meter thats right for you.

 

Slojo69

Well-Known Member

Jan 16, 2011

• #9

I actually dug further and found an awesome thread here, the reason i couldnt find anything when i started this thread is that my advanced search was all jacked up, but here we go: https://www.rollitup.org/hydroponics-aeroponics/1764-tds-ec-ppm-wanna-know.html

Sorry to add a useless thread and thanks for yer help