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I just got a large Top Fin Gravel Vacumm and I am having problems getting enough pressure for the water to go through the hose. It has a "self-starting siphorn" and I tried blowing in the hose, but I am not getting enough pressure to pump out the water. Am I doing something wrong? Thanks

I have a tank that has been cycling for about a week and the pH level is arount 7.8-8.2. 8O There is nothing living in the tank right now. During 1/2 of the week, the pH was about 7.4-7.8 and it jumped today to about 7.8-8.2. What could be causing the pH level to rise? What can I did to lower...

just got an Australian Crayfish today and found out it had eggs. I did some research and it is about 2-20 weeks before the eggs hatch. Is there a way to find out how long the crayfish has had the eggs? Once the eggs are hatched and the babies can live on their own, I am going to remove the...

I am a newbie and need some tips .... I have a Biology project, where I have to get a freshwater crustacean (crayfish, shrimp, or crab) and I am deciding either a red claw crab or a blue crayfish. Which one of the two will last till September? I read that the red claw crabs need air to live and...