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Here's the tube before I cleaned it.

I believe it was made by a company called Aqua Ultraviolet. I bought it March of 2024, and I believe the bulbs are good for 14 months, but I was planning to swap the bulb and quartz tube in March. I took it apart a month or two ago, and there was a large amount of brown crud stuck on the quartz...

I think I have UV at the right strength? Water volume: ~160 gallons Wattage: 57 Watts (1 Watt/2.8 gallons) Flow: 350 gallons/hour (2.2x tank vol/hour) Plumbed directly to the display tank. In and out are near the water surface. These guys don't seem to go up into the water column. They seem...

That's what I've been reading all over: lack of competition leads to a single organism taking over. I have three tuxedo urchins. Whenever I try to add snails, they're typically dead in a week or two. I attributed that to eating dinos, which I understand are toxic to them. However it could also...

I'm struggling with a lot of dinos, and I'm curious what others do for them. I've read a bunch in R2R, but the advice seems to be all over the place: carbon dosing, various bacterial cocktails, raising nutrients, lowering nutrients, UV does/doesn't work, silica does/doesn't work. If I don't...

I wouldn't mind a copper band if you don't want to keep him, Scott.

Thanks @ShawnM! Can't wait to get these XR15s up on my tank. I think they're really going to help fill in all my shadows.

Me too!

I have 2x Pro and 2x Blue, and I decided I like the blue best, so I'm looking to go all blue. Anyone got any Blues they're not using? Thanks! Brett

Where are you located?

I’m in Parker. Probably an hour and a half one way. And I gotta paint this weekend, and a whole bunch of family stuff. I have one torch that I’ve kept most alive. It’s not extending as much as it used to. It got angry when I moved it to what I think was too much light and flow. I moved it back...

This is awesome! If I were further North I'd try to take you up on the offer. Thanks for doing this.

Hi! I'm be interested in the Ca checker. Does it have any un-expired reagent? Thanks, Brett

PM

I've scrubbed them with a cotton swap, and the hydroids stay put. From what I've read, Coral RX, Revive, etc, won't affect hydroids. It sounds like Febendazole is the only thing that is effective for them? I question because a lot of folks mention that it didn't work form them. But know knows...

Any suggestions for treatments to kille them? There are so many the I’m not sure that I can manually remove them all.

Hi all, I have what I think are hydroids on my Gobstopper Zoas. So far, they only seem to be on this Zoa colony. I think they might be spreading? I feel like sometimes the head that has more hydroids will close earlier than the others, so maybe they're annoying the Zoa? Thanks, Brett

That makes way more sense. Thanks for all the help!!

Where's the sport in that?! Even with a DC pump? I haven't with the current fish, but I plan to with the remaining fish. Current fish: 2 Ocellaris clows 1 Firefish 1 Foxface 1 Royal Gramma 1 Midas Blenny Furutre fish: 5-7 Lyretail Anthias 1 White tail tang 1 Yellow tang 1 Cleaner wrasse...

Ok apparently that's not entirely correct, perhaps I should have re-read the spec before posting... From their sizing, it looks like I want a flow rate of appox 3x tank size for the 90,000 uW/cm^2 dosage. In my case that would be 170*3=510GPH. I believe that you need on the order of 100,000...