Northern lights photo
Growing in soil, canna Terra
3 weeks into flower 30lt pot
Using foxfarm nutes
Led invisiblesun light 130w
Rh 40-45% temps 20-23
My fan leaves are falling off, they're going a very pale green not entirely yellow little brown on the edges and just falling off or coming off with the slightest touch, starting from bottom moving up, upper stems are reddish purple, she's 3weeks into flower and seems to still be making progress but I'm getting 4+ leaves falling off a day.
I assume it's a deficiency of nitrogen or phosphorus or both not sure, I've fed 4litres of water with 1/2 tsp big bloom, big grow and tiger bloom, I'm thinking just steadily giving nutes is going to fix her issue? I've been approaching with less is more for watering and nutes seems I gave too little?
Help please
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