i happen to be a fan of the pvc xmas tree
put about 50 in my pond
5 gallon bucket with 4-5 feet of 3-4 inch pvc cement pipe in bucket drill 3/4 -1 inch holes thru the trunk and slide pvc tubing thru the holes at different angles
toss into the bottom of the pond
cable and cinder blocks make good tie downs for tires and pallets
