Protein Skimmer - Counter Current/Air Stone

Aquaria Central - (Photo Diagram) - [Details]

Reef Central - I feel a little stupid posting what must have been done a hundred thousand times before by more talented DIY aquarists. Keep in mind that the specs are for MY small system. Pipe sizes will vary according to YOUR system's flowrates.. - [Details]

Peter Z's Fishline - (Photo Diagram) - [Details]

Here is a list of parts necessary to build a PVC Foam Fractionator (FF). This will build a unit roughly 54-inches tall. The contact area of the FF is about 48 inches. I have heard it suggested that 30 inches of contact height is necessary to achieve adequate removal of dissolved organics, so making the unit as much as 18 inches shorter would seem to be okay. It is quite possible that adequate function can be achieved with even shorter units since the water takes a tortuous path to the bottom of the unit when sufficient air is being introduced. - [Details]

Several designs of DIY skimmers were sourced on around the net. Best ones found were located on J. Charles Delbeeks's Site, Larry Jackson's Skimmer for Dummies and in Jeff Pfohl's archives. An initial design was drawn up based mostly on Larry Jackson's. The emphasis in the design is such that it can just be slipped together without any major alteration to the parts bought, and slip in seals so that will be guaranteed to be leak proof. - [Details]

Dogs Reef Pages - (Photo Diagrams) - [Details]