Bluelab Replacement pH Probe for Combo / Maestro Meters Media and organic buildup that clogs

and organic buildup that clogs irrigation lines

Clean the filter once a week

Faster than IWS Standard systems

Canna Brush

If you're after a proper peat-based substrate that doesn't require immediate feeding decisions

Bluelab Replacement pH Probe for Combo / Maestro Meters Media and organic buildup that clogsBluelab Replacement pH Probe for Combo Maestro Meters Complete Feeding, No Guesswork Our thoughts Straightforward nutrients that work consistently without complications. Simple, reliable feeding that delivers results. If your original Bluelab probe gets damaged or lost then replace it with the Bluelab Replacement pH Probe compatible with Combo and Maestro meters. The Bluelab Replacement pH Probe like the original is fully waterproof, easy to clean and