United Aquatics Heron Stop Pond Boss a new gasket and two

a new gasket and two new black

menadione sodium bisulfite complex (source of vitamin K)

greater than 1/8 acre - Pond Depth 32" min

those systems may be unnecessarily large -- or expensive -- for small water gardens that focus on plants with a minimal fish load

Cycle between red

United Aquatics Heron Stop Pond Boss a new gasket and twoThe Heron Stop from United Aquatics is a simple and nearly invisible deterrent helping to protect pond fish from herons and cats. Place the stakes around the pond, 10 12" from the pond and about 5' apart, with the stakes pointing in towards the pond. Thread the nylon string through the holes and fasten the bells to the upper string between the stakes. Will protect ponds with a circumference up to approx 30'