Tips of leafs turning brown should I be worried

The tips of my plants leafs are starting to turn brown.Is this going to turn into a bigger problem please let me know.

Could be a number of things but it's usually nutrients or heat or both. Descibe the plant environment -Soil? Indoor? CO2?

Most likely its too much fertilizer. Are you giving it nutes?

miracle grow garden soil mixed with potting soil no nuts,outdoors,no co2.
would post pics but I have no camra