Nice grow, Success !! yellow / brown leaf tips are usually the result of too much nutrition. If it is limited to the tips of the leaves, that is no problem at all. the curling of the leaves is usually a result of a too high VPD value (high temperature with too low RH) as a result of this: :the plant must evaporate too much and therefore will suck up too much water and get too much food (the tips turn brown).
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