The number of sets of squats you should do for maximum muscle growth depends on a number of factors, including your individual goals, experience level, and current strength. However, a good starting point is to do 3 sets of 8-12 repetitions of squats.

If you are new to lifting weights, you may want to start with 3 sets of 6-8 repetitions. This will help you to build strength and technique before moving on to higher reps.

As you get stronger, you can gradually increase the number of sets and repetitions you do. However, it is important to listen to your body and not to overdo it. If you are feeling pain, you should stop and rest.

Here are some additional tips for maximizing muscle growth with squats:

• Use a weight that is challenging but not too heavy. You should be able to complete all of the repetitions with good form.

• Focus on the eccentric (lowering) portion of the movement. This is when the muscle is under the most tension.

• Take a short rest between sets. 30-60 seconds is usually enough time to recover.

• Eat a healthy diet and get enough sleep. These are essential for muscle growth.

With consistent effort, you will eventually see results. Just remember to be patient and listen to your body.