Skip to content

Mycology
Pest Control
Irrigation
Fertilizer
Lighting
Propagation
Containers
Planting Media
Environment
Meters & Solutions
- PH/EC/PPM/TDS Meters
- Calibration & Reference Solutions
Grow Systems
Garden Tools
Post Harvest

Facebook
Instagram

Search

Mycology
Pest Control
Irrigation
Fertilizer
Lighting
Propagation
Containers
Planting Media
Environment
Meters & Solutions
- PH/EC/PPM/TDS Meters
- Calibration & Reference Solutions
Grow Systems
Garden Tools
Post Harvest

Search

Item added to your cart

View cart

Collection: Calibration & Reference Solutions

Shop our selection of calibration and reference solutions to help keep your PH and EC/PPM/TDS meters calibrated and reading accurately.

Filter:

Availability

0 selected

Availability

In stock (31 products)
Out of stock (0 products)

In stock (31 products)
Out of stock (0 products)

Price

The highest price is $4,350.00

$

From

$

To

Brand

0 selected

Brand

Bluelab (3 products)
BlueLab (2 products)
Cutting Edge Solutions (1 product)
CYCO (1 product)
Dyna-Gro (1 product)
Emerald Harvest (1 product)
General Hydroponics (5 products)
GroStar (4 products)
Hanna Instruments (6 products)
HM Digital Meters (2 products)
Mad Farmer (3 products)
Nectar for the Gods (2 products)

Bluelab (3 products)
BlueLab (2 products)
Cutting Edge Solutions (1 product)
CYCO (1 product)
Dyna-Gro (1 product)
Emerald Harvest (1 product)
General Hydroponics (5 products)
GroStar (4 products)
Hanna Instruments (6 products)
HM Digital Meters (2 products)
Mad Farmer (3 products)
Nectar for the Gods (2 products)

Product type

0 selected

Product type

Meters & Calibration Solutions (30 products)
Nutrients and Supplements (1 product)

Meters & Calibration Solutions (30 products)
Nutrients and Supplements (1 product)

Size

0 selected

Size

1 Gallon (7 products)
2.5 Gallon (4 products)
5 Gallon (2 products)
6 Gallon (2 products)
30 Gallon (2 products)
55 Gallon (3 products)
275 Gallon (2 products)
1 Liter (1 product)
5 Liter (1 product)
20 ml (6 products)
230 ml (5 products)
250 ml (3 products)
500 ml (8 products)
8 Ounce (3 products)
1 Ounce Kit (1 product)
1 Quart (8 products)
Case (25 x 20 ml Packets) (3 products)
Case (25x 20 ml Packets) (1 product)
Down 2.5 Gallon (1 product)
Down 55 Gallon (1 product)
Down 6 Gallon (1 product)
Up 2.5 Gallon (1 product)
Up 55 Gallon (1 product)
Up 6 Gallon (1 product)

1 Gallon (7 products)
2.5 Gallon (4 products)
5 Gallon (2 products)
6 Gallon (2 products)
30 Gallon (2 products)
55 Gallon (3 products)
275 Gallon (2 products)
1 Liter (1 product)
5 Liter (1 product)
20 ml (6 products)
230 ml (5 products)
250 ml (3 products)
500 ml (8 products)
8 Ounce (3 products)
1 Ounce Kit (1 product)
1 Quart (8 products)
Case (25 x 20 ml Packets) (3 products)
Case (25x 20 ml Packets) (1 product)
Down 2.5 Gallon (1 product)
Down 55 Gallon (1 product)
Down 6 Gallon (1 product)
Up 2.5 Gallon (1 product)
Up 55 Gallon (1 product)
Up 6 Gallon (1 product)

Sort by:

31 products

Filter and sort Filter

Filter and sort

Filter

31 products

Availability

In stock (31 products)
Out of stock (0 products)

Clear

Price

The highest price is $4,350.00

$

From

$

To

Clear

Brand

Bluelab (3 products)
BlueLab (2 products)
Cutting Edge Solutions (1 products)
CYCO (1 products)
Dyna-Gro (1 products)
Emerald Harvest (1 products)
General Hydroponics (5 products)
GroStar (4 products)
Hanna Instruments (6 products)
HM Digital Meters (2 products)
Mad Farmer (3 products)
Nectar for the Gods (2 products)

Clear

Product type

Meters & Calibration Solutions (30 products)
Nutrients and Supplements (1 products)

Clear

Size

1 Gallon (7 products)
2.5 Gallon (4 products)
5 Gallon (2 products)
6 Gallon (2 products)
30 Gallon (2 products)
55 Gallon (3 products)
275 Gallon (2 products)
1 Liter (1 products)
5 Liter (1 products)
20 ml (6 products)
230 ml (5 products)
250 ml (3 products)
500 ml (8 products)
8 Ounce (3 products)
1 Ounce Kit (1 products)
1 Quart (8 products)
Case (25 x 20 ml Packets) (3 products)
Case (25x 20 ml Packets) (1 products)
Down 2.5 Gallon (1 products)
Down 55 Gallon (1 products)
Down 6 Gallon (1 products)
Up 2.5 Gallon (1 products)
Up 55 Gallon (1 products)
Up 6 Gallon (1 products)

Clear

Sort by:

Remove all

31 products

General Hydroponics pH Control Kit

Sale

General Hydroponics pH Control Kit

Regular price $15.00 USD

Regular price ~~$22.98 USD~~ Sale price $15.00 USD
Unit price per

Sale
Bluelab 4.0 pH Calibration Solution

Sale

Bluelab 4.0 pH Calibration Solution

Regular price From $1.72 USD

Regular price ~~$1.92 USD~~ Sale price From $1.72 USD
Unit price per

Sale
Bluelab 7.0 pH Calibration Solution

Sale

Bluelab 7.0 pH Calibration Solution

Regular price From $1.72 USD

Regular price ~~$1.92 USD~~ Sale price From $1.72 USD
Unit price per

Sale
General Hydroponics® pH Up Liquid

Sale

General Hydroponics® pH Up Liquid

Regular price From $8.47 USD

Regular price ~~$9.72 USD~~ Sale price From $8.47 USD
Unit price per

Sale
General Hydroponics PRO pH

Sale

General Hydroponics PRO pH

Regular price From $76.00 USD

Regular price ~~$124.86 USD~~ Sale price From $76.00 USD
Unit price per

Sale
Hanna GroLine pH 7.01 Solution

Hanna GroLine pH 7.01 Solution

Regular price From $2.00 USD

Regular price ~~$2.00 USD~~ Sale price From $2.00 USD
Unit price per
Hanna GroLine pH 4.01 Solution

Hanna GroLine pH 4.01 Solution

Regular price From $2.00 USD

Regular price ~~$2.00 USD~~ Sale price From $2.00 USD
Unit price per
Hanna GroLine Storage Solution

Hanna GroLine Storage Solution

Regular price From $18.50 USD

Regular price ~~$18.50 USD~~ Sale price From $18.50 USD
Unit price per
Hanna GroLine Quick Calibration Solution

Hanna GroLine Quick Calibration Solution

Regular price From $2.00 USD

Regular price ~~$2.00 USD~~ Sale price From $2.00 USD
Unit price per
Hanna GroLine Electrode Cleaning Solution

Hanna GroLine Electrode Cleaning Solution

Regular price From $18.50 USD

Regular price ~~$18.50 USD~~ Sale price From $18.50 USD
Unit price per
Hanna Cleaning Solution

Hanna Cleaning Solution

Regular price From $2.00 USD

Regular price ~~$2.00 USD~~ Sale price From $2.00 USD
Unit price per
Mad Farmer pH Test Kit

Sale

Mad Farmer pH Test Kit

Regular price $6.00 USD

Regular price ~~$7.35 USD~~ Sale price $6.00 USD
Unit price per

Sale
Dyna-Gro pH-Up 0-0-5

Sale

Dyna-Gro pH-Up 0-0-5

Regular price $14.00 USD

Regular price ~~$15.99 USD~~ Sale price $14.00 USD
Unit price per

Sale
Apera GroStar pH Probe Maintenance Kit

Sale

Apera GroStar pH Probe Maintenance Kit

Regular price $17.00 USD

Regular price ~~$23.99 USD~~ Sale price $17.00 USD
Unit price per

Sale
Apera GroStar EC Calibration Kit 2.77EC

Sale

Apera GroStar EC Calibration Kit 2.77EC

Regular price $11.00 USD

Regular price ~~$14.99 USD~~ Sale price $11.00 USD
Unit price per

Sale
HM Digital PH-STOR pH Electrode Storage Solution

Sale

HM Digital PH-STOR pH Electrode Storage Solution

Regular price $7.60 USD

Regular price ~~$8.49 USD~~ Sale price $7.60 USD
Unit price per

Sale
HM Digital 1000 ppm TDS Calibration Solution 3 oz

HM Digital 1000 ppm TDS Calibration Solution 3 oz

Regular price $9.49 USD

Regular price ~~$9.49 USD~~ Sale price $9.49 USD
Unit price per
CYCO pH Down

Sale

CYCO pH Down

Regular price From $13.00 USD

Regular price ~~$15.70 USD~~ Sale price From $13.00 USD
Unit price per

Sale
Bluelab 2.77EC Conductivity Solution

Sale

Bluelab 2.77EC Conductivity Solution

Regular price From $9.00 USD

Regular price ~~$10.50 USD~~ Sale price From $9.00 USD
Unit price per

Sale
Bluelab Nutrient Probe Care Kit Conductivity

Sale

Bluelab Nutrient Probe Care Kit Conductivity

Regular price $24.00 USD

Regular price ~~$30.74 USD~~ Sale price $24.00 USD
Unit price per

Sale
Bluelab® Probe Care Kit pH & Conductivity

Sale

Bluelab® Probe Care Kit pH & Conductivity

Regular price $24.00 USD

Regular price ~~$30.74 USD~~ Sale price $24.00 USD
Unit price per

Sale
Apera GroStar pH Calibration Kit pH 4/7/10

Sale

Apera GroStar pH Calibration Kit pH 4/7/10

Regular price $21.00 USD

Regular price ~~$28.99 USD~~ Sale price $21.00 USD
Unit price per

Sale
Apera GroStar pH Calibration Kit pH 4/7

Sale

Apera GroStar pH Calibration Kit pH 4/7

Regular price $14.00 USD

Regular price ~~$18.99 USD~~ Sale price $14.00 USD
Unit price per

Sale
Mad Farmer Get Down

Sale

Mad Farmer Get Down

Regular price From $10.00 USD

Regular price ~~$11.55 USD~~ Sale price From $10.00 USD
Unit price per

Sale

1
2

Quick links

Resources
Privacy Policy
Terms of Use
Contact

Subscribe to our emails

Email

Facebook
Instagram

Payment methods

© 2023, Cultivate Supply Powered by Shopify

Choosing a selection results in a full page refresh.
Opens in a new window.