The Puffer Forum

Maybe not. XD I got the tip from my friend, to keep it at the bottom in the sand. It tends to get the same readings in the tank as it does when I take it out, though.~

-Sierra.~

I do have a swing arm hydrometer - I keep it in the tank so I can constantly keep track of the salinity.

And thank you for the tip, I'll try that out.~

-Sierra.~

The puffers were never put back in their tank again the first time because we literally couldn't see the hydrometer right up next to the glass - they remained in a small, three gallon tank. We went ahead and re-rinsed the sand and, although it's still cloudy, it's an improvement from the first time....

Hiya!~ I have a 20 gallon tank which houses two Green Spotted Puffers. (Don't worry, they will be getting a bigger tank soon.~) Today, while doing their water change, I removed their gravel and replaced it with 20 pounds of fine coral sand. Only problem is, when I filled the tank back up, the water ...