Balcony and Patio

Close every opening to the water. Mosquitoes lay eggs on standing water, and a Kratky container is standing water, so snug net cups, sealed lids and fine mesh over any gaps stop them breeding there. Where They Get In Gaps between the net cup and the lid Unused holes...

Cover everything except the plant, place containers under shelter where you can, and check levels after heavy rain. Rain doesn’t just dilute the solution: it can refill the air gap that the upper roots depend on. Why Rain Matters for Kratky In the Kratky method...