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Thursday, August 28, 2008

Air Valve Modification

Popular Modifications

Adjustable Air Hole modification for Durso Standpipes.

Air Valve Modification for Durso Standpipes.

Dual Durso Standpipes in Single Chamber

External Overflow

Pipe Strainers made from Light Diffuser

Mega-Flow Overflow Modification

Perforated Pipe Strainer for Durso Standpipes

Testimonials

I have lived with noisy overflows in my 180 for several months now, that is, until I found a reference to your website on reefcentral. I followed your great instructions and installed my Standpipes last night! I experienced the same initial problems you referred to, but, thanks to your great problem solving, I was able to fix them just as you described! EasyPeasy!!! Wow, they do work great. It is so nice having a quiet tank, not to mention that fact that they keep an extra few gallons from spilling into the sump should there be a power outage or pump failure! Well, you have been a great resource to me and I am very grateful to you. Thanks again for sharing your experience and knowledge and providing us with a great and simple fix.

--Sean Jacobson

Air Valve Modification for Durso Standpipes

Air Control Valve

I've tried using an air valve instead of just a drilled hole (pictured left). This allows for quick and easy flow control settings and fine tuning of the water level in the chamber. It also has the advantage of not having to figure out the proper hole size to use for the air hole in the end-cap. However, it has added maintenance in that it requires a cleaning from time to time.

To add a valve just drill a hole in the end-cap that the air valve will fit snug into. Use a little crazy glue to hold the air valve in place. Makes sure the seal is air-tight. On top of the air valve use standard airline tube. This protects the valve opening which helps to reduce salt creep from plugging the valve.

A different twist is to insert the airline tube directly into a hole drilled into the end-cap. Then attach the air value to the end of the tubing. This helps to keep salt creep off the value.

When you notice the water level in the overflow chamber getting lower, its time to clean the valve.

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