Then pull the plants toward you. You might also find some interesting guests on the fronds and stems. To examine bottom-dwelling life, you'll need a dredge net. Next, you'll need nylon fishnetting. The size of the mesh is not critical.
Retailers are usually happy to trim it.
From the square, cut out an equilateral triangle 60 inches to each side. Using an old paintbrush, liberally coat one of the PVC pipes with one-hour epoxy. Place the pipe at one base of the triangular netting and carefully draw in the netting along both sides, leaving clear one inch of pipe at either end. Roll the netting around the pipe twice. Stitch the netting in place with a couple of twist ties so the pipe won't unroll.