🌡️ Thermometer with Suction Cup for Floating Marina Review

I bought this thermometer to try and had two major problems with it. First, the suction cup did NOT hold. This thing was always floating freely in the tank and even submerged through the waterfall filter in my turtle tank. No matter how carefully and neatly I attached it to the walls of the tank, it never stayed in place. Second, the thermometer in my tank crashed! I don't know what caused it exactly. It could have been my turtle, it could have been a waterfall, or it could have been pushed…

I used one of those ubiquitous cheap digital thermometers at Revain. The temperature fluctuated greatly. And I was just beginning to doubt it. I ordered this guy and it was 6 degrees hotter than digital! Of course the digital thermometer was off by 6 degrees! My poor fish spent a month in 86 degree water. I'm new to the hobby. And he's a betta. So this is the extreme end of the high temperature range. I'm just so glad I bought this. I tested it in a cup filled with ice and some water. This…

I feel a little silly writing a review for this, but just in case it helps someone else. . . ordered three of them and they do their job. This is a simple glass mercury thermometer with a green safety label so you can easily see if your temperature is within the safe range. It's big enough to see without being obtrusive. I used to have a large float in the side tank that couldn't be missed. . . withdrawn from the tank. You can use a thermometer with or without a plastic suction cup. The plastic