Bluelab Guardian Monitor (Conductivity / Temperature / pH) Media You add it to your

You add it to your existing feed schedule

This isn't slow-acting

so if the worst happens

packed with worm castings

Particularly well suited to spaces where simplicity

Bluelab Guardian Monitor (Conductivity / Temperature / pH) Media You add it to yourBluelab Guardian Monitor (Conductivity Temperature pH) Complete Feeding, No Guesswork When growing hydroponically, it's essential to carefully monitor reservoirs to ensure that nutrients of the right strength, temperature and pH are delivered to your plants. The Bluelab Guardian is an all in one solution to monitoring every essential parameter. Should levels ever drop below, or rise above, pre determined values, then the easily programmed visual alarm