They are going to fill the nets in no time
How To Use Progressive Web App aka PWA On 420 Magazine Forum
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When plants lack phosphorus, purpling or reddening of the leaves and stems can occur. Signs usually begin in lower leaves and branches and slowly work their way up the plant.Bear in mind that some plants naturally turn red or purple due to their genetics but if you keep having this problem with many different strains, it’s probably not due to genes. Overwatering and cold temperatures can also exacerbate the problem so make sure those aren’t an issue for you before trying to add more nutes.
Phosphorus is the “P” in NPK (Nitrogen, Phosphorus, Potassium) meaning it’s a major nutrient needed by the plant to thrive. Most fertilizers made for the flowering stage will contain plenty of P and sometimes growers will mistake a pH imbalance for a deficiency, although it sounds like you check pH often so in your case I think it’s truly a lack of Phosphorus.