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I thought so too, but I just find it odd that it's only happening in this one isolated section of the system. There are 105 gallons total volume but I'm only seeing it in this one area. And it happens to be the area I DIY'd a baffle in to make a chamber for the pump. I'm just worried I screwed it up somehow but I did b use 100% additive free silicone and let it cure for over 24 hours.Could be the beginnings not algae
Seems I'm not the first one to have itCould be the beginnings not algae
Seems I'm not the first one to have it
Yellow Mold? on silicone in sump
I have some stuff that is bright yellow with brown spots growing on some of the silicone in my sump. I used Aqueon Silicone. It only seems to appear on the silicone that is under the moving water, not on places that are submerged in water. There isn't a light on the side of the sump I see it on...www.reef2reef.com
Yeah I've never seen or heard about it either before it just happened to me! As far as I can tell from the research I've done, it's harmless to our tanks. I also used GE 100% silicone with no additives, which I've used in the past and this never happened.Peace any luck understanding this one ? My sump just started the same thing. I started my cycle 6 weeks ago with Fritz. The only change was adding a Brightwell Aquatics Xport BIO Plate 2 weeks ago that I seeded with Microbacter 7. I used GE silicone # 1. I looks like it is on your return pump hose also. Weird. Never had seen this in prior tanks.
Peace any luck understanding this one ? My sump just started the same thing. I started my cycle 6 weeks ago with Fritz. The only change was adding a Brightwell Aquatics Xport BIO Plate 2 weeks ago that I seeded with Microbacter 7. I used GE silicone # 1. I looks like it is on your return pump hose also. Weird. Never had seen this in prior tanks.