i have a 30x60 tank and two small turtles(3cm and 4cm) there is just under 4inches of water in the tank is this plenty? if not how soon will i have to upgrade explain tank sizes in cmplz i dnt understand gallons.
The basic rule for tank size is 10 gallons for every inch of turtle you have. As far as for water level, just make sure there is enough water so your turtle can swim around.