03-26-2009, 12:41 AM
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I think that has much more to do with the fact that he is using a regulator not specifically designed for aquariums. He is using regulators designed more for brewing beer. There is really nothing wrong with using these regulators for aquarium use. But a $40 brewing regulator is not the same as your average $80 aquarium regulator. I've never heard of a aquarium brand regulator being damaged by a end of tank dump. Basically you get what you pay for, some brands are known for their end of tank dumps, others are not. Of course the main concern with the end of tank dump is the risk to the livestock. If you are really concerned about this happening, you can get a Low Pressure Regulator or a really good quality(and pricey) needle valve, that with stop any end of tank dumping.
I know mine bps rate speeds up somewhat when the tank is down to 200psi, however it rarely ever effects the fish and usually does not last long. That's not to say I am not aware of the risks. Though it wasn't because of end of tank dumping, but my own negligence. I nuked well over 100 cherry shrimp in one go because of overdosing co2.