Centrifuging sample taken from edge of lake at Branston Water Park 20/2/2018 on 22/2/2018 to concentrate organisms for microscopy Posted 22/02/2018 by Andrew Thornett Damian collected this sample when we went to Branston Water Park on 20/2/2018 from around plant roots at edge of the lake. Andy & Rhys Centrifuging sample to create pellets for microscopy: