Title: Tried three times - patches would not hold
Product review: Trying to repair the liner on the bottom of my fish pond with this product was a frustrating experience. I drew down the water, forcing the koi to the deep area of the pond, cleaned the damaged area, roughed it with sandpaper, cleaned it with denatured alcohol and applied the patch. After about 30 minutes, I refilled the pond. Two days later the patch was no longer on the hole. I tried two more times. The last time I placed a flat concrete block on the patch. The longest any patch appeared to hold was three days, which is when I removed the block. This was a lot of work and expense with poor results. Has anyone tried the patches with the glue you mix and then apply underwater? Did the glue harm the fish?
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