The flyscreen seems to work pretty well- I haven't seen any mozzie larvae in there yet. I used to have feeder fish in there (guppies and a few gudgeons) that would have helped with any larvae that WERE there (if any)
The turtle dock was pretty easy to make- I purchased a large piece of perspex, cut it to the size I wanted, and used a heatgun in a straight line (I used a ruler and a whiteboard marker to mark this) to heat the perspex where I wanted to bend it to make the dock- as soon as it was flexible enough, I bent the 'ramp' down over a strong, straight edge (i.e. table edge) and held it there until it cooled and remained fixed in that position. All I did after that was silicone polished river rocks on top with aquarium safe silicone If no heat gun is available, a hair dryer does work but takes a little bit longer
The turtle dock was pretty easy to make- I purchased a large piece of perspex, cut it to the size I wanted, and used a heatgun in a straight line (I used a ruler and a whiteboard marker to mark this) to heat the perspex where I wanted to bend it to make the dock- as soon as it was flexible enough, I bent the 'ramp' down over a strong, straight edge (i.e. table edge) and held it there until it cooled and remained fixed in that position. All I did after that was silicone polished river rocks on top with aquarium safe silicone If no heat gun is available, a hair dryer does work but takes a little bit longer