I plumbed my main siphon and open channel drains quite a far ways down into my sumps crash box. The open channel has quite a lot of bubbles coming out. I'm wondering if this is a bad thing and I should shorten these drain pipes closer to the waters surface for 2 reasons, one because this might be contributing to microbubbles in my tank and two because this might be depressing my pH by mixing high CO2 air into the system. Any thoughts?