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#1
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What to feed the tank?
Recently some of my SPS are looking a bit pale. I’m thinking they are starving, as nitrates are undetectable. I have 16 fish but most of them are smallish. I do feed generously, including frozen daily but I guess it’s not enough. I started adding BRS Reef Chili (with skimmer turned off overnight) a few weeks ago and I think I see some improvement. Now I’m thinking of adding Oyster Feast to the mix. Any thoughts, experience with this?
Interesting that we noobies are told to get an over-sized skimmer, which I think is what I did (Vertex 180 for a 110gal). And now there’s a school of thought that you can over-skim? I do get a very dark evil-smelling skim-mate, so I don’t think I need to make an adjustment there? I also have a large ball of chaeto in the fuge that I’m trying to remember to harvest more often. (Anyone need some haha) Last edited by Dash; 05-08-2019 at 12:34 AM. |
#2
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I have had that problem with my tank. No matter how much I feed I can never get any nitrates. Without nitrates the colours of your sps will be pale.
I add NaNO3 to my tank daily to help keep my nitrates at 1ppm. You could try putting your skimmer on a timer to see if that helps. It didn't for me. I completely truned off my skimmer and still couldn't get any nitrates. I have added more fish and feed twice a day but still no nitrates. If you choose to go the NaNO3 or KNO3 route be sure to monitor your phosphates because you can cause them to crash as I did. Zero phosphates is worse than zero nitrates. I have to add a little bit of KPO4 to help keep my phosphates from crashing. Make sure to use a good nitrate test kit. ReaSea Pro is the best affordable option. |
#3
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If you start dosing nitrates and or phosphates, test the water before dosing and then again after. Then test again the next day. If you are like me the first few weeks you will be adding a crazy amount of stuff a day to get any readings.
That could have been because my N&P levels were truly 0. Something to keep in mind if you have trouble getting any reading |
#4
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I’m not sure if I want to go down the road of dosing nitrates. Might be a can of worms I shouldn’t open. I am chicken & would rather take the slower less risky(?) route. I was thinking more along the line of coral food, AcroPower, more fish? Wondering if anyone had suggestions.
After using Reef Chili for a few weeks, I think I actually see a bit of improvement. Some of my more finicky zoas, which have shrunk down, look brighter. My colony of 20-30 Rastas had become a single tiny yellow dot, but yesterday I saw there were 4 yellow dots! Progress! I used to to think my little fish were so neat & tidy, and was shocked when I saw my yellow tang’s poop the first time. Like, what! I don’t even see my other fish’s poop. Now I wish they would contribute more haha Last edited by Dash; 05-09-2019 at 12:33 AM. |
#5
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More fish!! I have recently run in to the 1-2ppm nitrate and 0 phosphate situation. I feed regularly and quite heavy. I have larger fish for sure, maybe my system is finally maturing... I don’t know. I do know that at some point nutrients will be detectable with more fish and more feeding (overstocked tank when I dove in to the hobby)
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300g Basement Reef - April 2018 |
#6
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Your corals can do fine with low nutrients, mine were doing OK for a couple years. However if you want sps that aren't brown or dull you need some nitrates.
Not sure dosing nitrates is a can of worms, although it is a bit of work because you have to monitor it. It is actually very effective and your corals will start colouring up very quickly, I was seeing results within a week. Adding fish, feeding more and reducing your skimmer time can all help but the results are not as quick. I had problems with Acropower causing Cyano bacteria. According to Reef2Reef amino acids can be like candy to Cyano. You don't have to have high nitrates and phosphates to have a Cyano bloom, hair algae or dinoflagellates for that matter. Just ask Llorgon. |
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