Hanna HI7007L pH 7 Buffer 500mlHI7007L is a premium quality pH 7. 01 calibration solution. Hanna calibration buffers have the lot number and expiration date clearly marked on the label and are air tight with a tamper proof seal to ensure the quality of the solution. Hannas line of calibration buffers have been specially formulated to have an expiration of 5 years from the date of manufacture for an unopened bottle.

Transport is the only spreader to maximize absorption to the plants Mesophyll Layer

Breaks down scale - Keeps irrigation systems in pristine condition

the computer you are already data logging to will need permanent internet access

or rescuing diseased plants

and IP-44 rated to be highly resistant to liquid and dust

Keep your garden growing 365 days a year with Lightstick LED grow lights

to make sure they are taken-up and used by plants efficiently

Warranty 6 months

Make your nutrient solution easy to manage with the GroLine Monitor

The HCS-3 also offers multiple advanced functions to control your entire grow room or greenhouse such as Sunrise / Sunset simulation

and drought environments

Mystik Bloom