Bird B Gone MM2001-5/6 Bird Repelling Spikes, 5" x 6' BF15 than you should use dose

than you should use dose enough for the amount of water in the whole pond

1/4" x 1-1/2" x 72"

and hook on end of cable

dirt and oil stains without darkening or discoloring

Thread Length: 4-3/8"

Bird B Gone MM2001-5/6 Bird Repelling Spikes, 5" x 6' BF15 than you should use doseHighlights: Bird Type: Assorted Species Coverage Area: 6 linear ft. Height: 7 inch Keep birds from landing and roosting For use on ledges, window sills, roof peaks and edges, flat or curved surfaces For pigeons, seagulls and larger Lowest cost bird spike deterrent Will not harm birds, # 1 recommended by animal rights organizations Patented bend and crush design for permanent installation Non reflective metal finish, will not deter from architectural