WillC said:Most of what is visible on the leaves are ordinary defects and tears that are unavoidable for the most part. Likewise, the leaf curl and drooping of the older, lower leaves are normal.
Good sunlight and proper watering are what produce healthy new growth. You -cannot force it with any fertilizer or by repotting it. A very dilute standard fertilizer no more than once per month is sufficient. Leave the Epsom salts and blood meal on the internet where you found it!
WillC said:@jaderum It looks like the soil has been getting too dry. How do you determine when to water and how much do you give it?