I just ordered a replacement Aquatainer WaterBob to replace the 1 of 2 that I used. These are single event water tanks because I'll never get the internal surfaces dry to restore them. The 2 waterbob's boosted my potable water storage to 260+ gals and I have 130 gals of fresh rainwater in reserve. I have no affiliation with Aquatainer but I do like this product.