Show all posts on one page Pagination leaving unexpected gaps between posts

Hello, I am trying to show all of my category posts on one page and this is the code I am using

if (is_category()) {
global $query_string;
query_posts($query_string. ‘&posts_per_page=100’ );
}
?>

However, there seem to be random gaps in between my posts. See:
https://treegoods.com/category/clothing/
https://treegoods.com/category/lifestyle/

I have tried disabling my plugins and fiddling with the script, but I cant figure out where the gaps are coming from. Can anyone help me out?

Thanks