Jeff.Tichenor Posted September 13, 2020 Share Posted September 13, 2020 https://photos.app.goo.gl/ZUnXb8LXMkcePHs5A One week old chaeto is dying off. I am running the grow light for 12hrs a night. This is a FOWLR tank that is fed pretty well. Any ideas? I was growing quite a bit of nuisance algea in the sump before I put in the chaeto. Quote Link to comment Share on other sites More sharing options...
Jeff.Tichenor Posted September 13, 2020 Author Share Posted September 13, 2020 DT for reference Quote Link to comment Share on other sites More sharing options...
Jeff.Tichenor Posted September 13, 2020 Author Share Posted September 13, 2020 and the grow light Quote Link to comment Share on other sites More sharing options...
Burningbaal Posted September 13, 2020 Share Posted September 13, 2020 What's the salinity?Sometimes low iron, but probably not if there's not other algae that's used it upMaybe just too much light, seems sometimes chaeto needs a little acclimation kinda like coralSent from my SM-G965U using Tapatalk Quote Link to comment Share on other sites More sharing options...
xxkenny90xx Posted September 13, 2020 Share Posted September 13, 2020 What kinda of nutrient levels are you running with? Water change schedule? Doesn't look like your skimmer is doing much either. I don't imagine your testing too much with mostly a fish only but chaeto does need some nutrients to grow 1 Quote Link to comment Share on other sites More sharing options...
bler Posted September 13, 2020 Share Posted September 13, 2020 Another option to look at would be ChaetoGro supplement Quote Link to comment Share on other sites More sharing options...
TheClark Posted September 14, 2020 Share Posted September 14, 2020 I was throwing it out by the literal garbage bag full last year, then it all died off too. I think it used up my nutrients. Ironically my nutrients are going back up, and I have no chaeto now. Your DT looks spotless, it might be just too clean. These are guesses of course, for what its worth. Quote Link to comment Share on other sites More sharing options...
Burningbaal Posted September 14, 2020 Share Posted September 14, 2020 Ya, I'd wanna see nitrate and phosphate numbers, and how they're tested. I'd wonder about salinity since it's a fowlr...is it 35ppt?I would normally suggest chaetogro or similar, but without a history of algae growing, it's not likely depleted of those micronutrients/minerals.What's the numbers?Sent from my SM-G965U using Tapatalk Quote Link to comment Share on other sites More sharing options...
Jeff.Tichenor Posted September 14, 2020 Author Share Posted September 14, 2020 Thanks for all the replies and suggestions. My salinity is 33ppt / 1.0245 PO4 is .15 and NO3 is 25 (Nyos kits) I do a 30% water change monthly. I did a Chemiclean treatment about 6 weeks ago for some red slime, followed by a 30% water change about 2 weeks ago. Put the chaeto in a week ago after removing about 4 cups of algea from the sump. Would the residual chemiclean hurt chaeto? Quote Link to comment Share on other sites More sharing options...
TheClark Posted September 14, 2020 Share Posted September 14, 2020 Hmmm, that seems like enough nutrients to me. Chaeto is such a mystery sometimes... This video solved my problems when I couldn't get it to grow: However, I use black box leds, two right next to each other and absolutely douse the chaeto with light. Way more than I would ever put on coral, both channels 100% over what amounts to about a 20 gallon area of the sump. The par must be incredible in there. This was key for me to get it to grow, ALLOT more light than the DT. Like I said, it was nothing to throw away an entire kitchen garbage bag of it at a time. I was the chaeto king, had chaeto for all. Then the nutrients died down, and now it is an empty sump chamber with allot of light, probably should turn it down LOL Black box leds for me, because chaeto in my book does not deserve a more expensive light than the DT Looks like you have a powerful light. Crank that grow light up as high as it will go and see if it makes a difference. Others may have different experiences, just my share... 1 Quote Link to comment Share on other sites More sharing options...
LadAShark Posted September 17, 2020 Share Posted September 17, 2020 If you’re topping off your water near there I’ve had that kill off macroalgae before. Iron supplements help. I use ferrous gluconate. But otherwise yeah, aside from trace minerals being low (which shouldn’t happen due to water changes), iron, and lighting, there’s no apparent reason chaeto should die off except being outcompeted by your coral. 1 Quote Link to comment Share on other sites More sharing options...
Jeff.Tichenor Posted September 19, 2020 Author Share Posted September 19, 2020 Thanks again for the replies and suggestions. It looks like the chaeto is no longer dying off. I tried increasing the light duration by going all the way to 24hrs a day and it was making it worse. So I set it back to 12 hrs a day and just waited. I guess it just needed some time to get acclimated to this light because it seems to be doing fine now. BTW - bought this from RUSALTY.COM. 1st purchase from them. Perhaps the ground shipment from FL was the reason for the partial loss. 🤷♂️ 1 Quote Link to comment Share on other sites More sharing options...
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