im on week 8 here didnt have ec meter all that tim...

first of all : nice grow ! really good technique, the plant is healthy already. So the most important principle in growing is "do no harm" that means if it's going well, and you triple the feed or change something it's more likely to hurt than to help. What i can see is that your "basic feed" is for vegetation that means it has more N than PK . Now you want to switch the basic feed to a "bloom" or flower feed. so basic feed NPK is 10/3/3 , actually you want flower feed 3/10/10 ... or something like that ... does that make any sense ? you have too much N, i can see the leaves are "too green" and you want less N for flower. so what i can say right now is that more than tripling your feed will for sure lead to problems, including burnt tips but also N toxicity. this will for sure hurt your yield aka less yield. up the nutrients, yes but switch to flower nutrients. Hope this helps ! 🚀