So you do check your soil runoff? Good for you! Is it usually at the edge? If so and you are sure they aren't rootbound then my vote would be for ph lockout. I aim for a runoff of about 6.5-ish.....right in the middle.
Weedhound Reviewed by Weedhound on . Deficiency or over-nute? Leaves look strange E-indoor or outdoor - Indoor E-soil, soilless, coco, aero, or hydroponic - Soil E-specific medium - Soil + Perlite CSL-Soil type/brand - Canna Terra Pro SCL-Anything you have added to the soil - Phosphoric Acid to the water to lower pH a tiny bit SCLR-Soil or slab runoff pH - originally 7.5 from the tap, I bring down to 6.8 with H3PO4 E-Age of plant - just over 5 weeks E-Type of fertilizer - BioBizz Grow (NPK= 8-2-6) E-Rate of application - water-water-feed, but they got it a bit early Rating: 5