Bluelab pH Pen Shipping Designed for the keen gardener

Designed for the keen gardener looking to grow a range of seed varieties

giving you the same temperature control benefits combined with the uniform light spread of a Sun King Reflector

Expertly designed for ultimate efficiency

giving you full peace of mind in an all-in-one spray

study and will last for years

Bluelab pH Pen Shipping Designed for the keen gardenerpH Pen pH measurement Plants get their nutrients from minerals, but they can only get all the right minerals they need if certain conditions are right. Think of nutrients like a lock. pH is the key. A key factor that affects food uptake is whether your solution is acid or alkaline. We measure this in pH. The Bluelab pH Pen also measures the temperature of the solution, as root health is vital to the success of a crop. Temperature affects the growth