I read the reviews and the good ones outweighed the bad. Due to this, I bought this item and hoped I wouldn’t run into any issues.
I put one into one of my plants, and kept an eye every day to make sure the bottle hadn’t emptied. It was fine for about a week, was just slowly emptying as it should. I put another one into my other cactus as I knew that it would be okay. I then went away for three days, and when I came back, the first one I put in had completely emptied.
I’m slightly concerned now that the cactus might die, she seems okay, but I just hope she continues to be okay. I’m unsure whether to take the second one out of the other cactus.