How do you beat bubble blast 2 pack 6 level 78?

To beat Bubble Blast 2 Pack 6 Level 78, focus on strategically popping the bubbles to create chain reactions. Start by targeting the bubbles that are clustered together to maximize your bubble blasts. Always look for opportunities to clear larger groups, and be mindful of the colors to ensure you don't leave any isolated bubbles. With careful planning and timing, you can successfully clear the level.