Removing the main portion of the double jelly almost everywhere on the board isn’t the most difficult part, its’s the 3 pieces covered with double hit blocks on the bottom row in the left, center, and middle that prove difficult. There are some 3 and 4 hit blocks that block of 1 of the 3 jellyfish available to you to, so try to make a color bomb and mix it with a striped candy to clean out a lot of the candy to get a good headstart here.
Patricia Frederick’s Tips for Candy Crush Level 285
Since this is a jelly level, try striped/wrapped combos to clear it out before releasing that center jellyfish. If you can match the center jellyfish with a striped or wrapped candy, you make it a lot more potent.