Skip to content
Submit
Close search
HGO
Home
Catalog
About Us
FAQs
Blog
Cultivation 101
Submit
Search
Log in
Cart
Home
Catalog
About Us
FAQs
Blog
Cultivation 101
Collection:
PH/PPM/Conductivity
Filter by
All products
Calibration & Storage Solutions
Equipment
Kits
pH Adjusters
PH/PPM/Conductivity
Sort by
Featured
Best Selling
Alphabetically, A-Z
Alphabetically, Z-A
Price, low to high
Price, high to low
Date, new to old
Date, old to new
28 products
Dutch Treat - pH Test Papers
Dutch Treat - pH Test Papers
Regular price
$16.99
Sale price
$16.99
Sale
General Hydroponics - pH Test Kit (1oz)
General Hydroponics - pH Test Kit (1oz)
Regular price
Sold out
Sale price
$13.99
Sale
Root Farm Ph Test Kit (30ml)
Root Farm Ph Test Kit (30ml)
Regular price
$13.99
Sale price
$13.99
Sale
pH Up 1L
pH Up 1L
Regular price
$15.99
Sale price
$15.99
Sale
Bluelab - pH Pen
Bluelab - pH Pen
Regular price
Sold out
Sale price
$127.99
Sale
Nutri Plus - Florasol Storage Solution (500ml)
Nutri Plus - Florasol Storage Solution (500ml)
Regular price
$9.99
Sale price
$9.99
Sale
TDS-3 Handheld (TDS & Temp)
TDS-3 Handheld (TDS & Temp)
Regular price
$45.99
Sale price
$45.99
Sale
Bluelab Probe Care Kit - pH & Conductivity
Bluelab Probe Care Kit - pH & Conductivity
Regular price
Sold out
Sale price
$31.99
Sale
Previous page
Page 1 of 4
Next page
choosing a selection results in a full page refresh