Macro Bubbles in tank and protein skimmer.

[caseykell21]

Can anyone tell me what is happening? It was fine yesterday morning and then last night it had macro bubbles in it. I washed out the collection cup and that didn't help can anyone tell me whats going on?
thanks
Casey Kell

[mogurnda]

Skimmer output will change if you add anything that changes the surface tension of the water. Food, water conditioners, even your hands can make it produce more fizz.

[Swimfins]

This is a good explanation. It happened to me too when I started using phosguard. No skimmate. I figured my pump was finished and went out and bought another before I realized the above as mentioned by Mogurnda. I took apart the skimmer, rinsed everything, bought the new pump and then...oh ya, its prolly the phosguard! D'OH!

[caseykell21]

Thanks for the info guys.
casey