PLEASE HELP WITH Aquarium overflow wet/ dry

chelle

Member
Ok I need help I bought a 125 aquarium with overflow and not sure if you call it a sump but I will explain it. It has a aquarium about a 20 gallon long that sits under the stand. In the 20 gall it has a pump. Now my ???? is I filled the tank up and the smaller tank little over half way full and when we turned on the pump it overflowed everywhere. I know this sounds confusing. But here is how it is set up. It has a overflow box in the right back corner now off the overflow box going into the tank it has a pvc bar that has holes for spraying water into tank, this also has a pvc tube that goes down the overflow box and a tube that connect to pump. On this tube it has a cut off valve. Please advise me what I am doing wrong. If you like I will be glad to call you and talk to you. My email is kwtexaslonghorn@cs.com. My husband wants to know also if the pump fails will the tank overflow again??? Or should there be a valve that only allows water to flow 1 way??
Chelle
Thanks so much for any help I may have gone way in over my head on this tank. It may be for sale dirt cheap.
 
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