I will have to disagree with the last answer. Whether they work or not depends on the vegetation. I don't care for the reverse curl systems because of their tendency to overshoot during heavy rains. ... read more
Depends on the specific type of tub but they can very quickly get over 300lbs.
I have thrown out my back moving them out when they were broken into two pieces so they are not light. Some run as heav ... read more