30refuge helpp asap`
 

hi i have a 30g long tank with no built in overflow and a 10 gallon for a refuge tank... i dont wonna get an over flowbox so my big question can i run pvc plumbing into the water with and will it siphen down into the refuge by it self when i run the pump for the return or will work only with an overflow any though or stuff u have down would be apprciated