Originally Posted by Mikell
Can you measure soil temperature?
A meat thermometer works fine. For the larger pots I would poke the thermometer in the drain holes too.
How often are you changing nutrient? What is reservoir temperature?
Temps are 72 in rez, the room is 76-78ish, just started this rez was top feeding until my roots were showing. I use is char coir and it says cal must be supplemented. I figured there's enough in my canna nutes?