Sorry I neglected to respond for so long, took a break from Portal 2 for a bit.
Your second solution was working as I intended until the final part. I've edited it slightly, so that your version of the final jump won't work. Also, uploaded the final part of the solution to youtube in case you'd rather know without having to play through the map again.
http://www.youtube.com/watch?v=bYh020IYQf4
[spoiler]The most crucial bit is standing on the tip of the ledge to get the gel bomb to explode early. Otherwise, the blue gel will land uselessly into the water.[/spoiler]
Sorry I neglected to respond for so long, took a break from Portal 2 for a bit.
Your second solution was working as I intended until the final part. I've edited it slightly, so that your version of the final jump won't work. Also, uploaded the final part of the solution to youtube in case you'd rather know without having to play through the map again.
http://www.youtube.com/watch?v=bYh020IYQf4
Spoiler
The most crucial bit is standing on the tip of the ledge to get the gel bomb to explode early. Otherwise, the blue gel will land uselessly into the water.