What brand of filters do you use for your rays and also do you use sumps? I am new when it comes to designing a sump.
John
John
aquaclear 500 or 110 best hang on back u can get. works everytime. never fails . always does what its supose to .
i agree with brian. when i had my rays i had a sump with two eheim 2028'ssomehow I don't see using a HOB on a tank that houses a ray.