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EMeyer

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EMeyer last won the day on November 29 2019

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About EMeyer

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    Monroe, OR

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  1. I have an interesting finding from my most recent round of sequencing that I thought I'd share. In this unreplicated case study, I found that an in-tank antibiotic treatment appears to have cleared up an outbreak of brown jelly disease (BJD), without causing any problems for the rest of the microbiome or any detectable problems for livestock. If anyone is having BJD issues, and would like to try this treatment, I'd love to sample your tank before and after the treatment to replicate this finding. I'm busy with Turkey today, so it'll be a few days before I can post the data here. Th
  2. Dremels are my go to tool for coral fragging. I like the diamond blade - its a wheel, I think its sold for cutting tile. Maybe $20-30 at Home Depot. I'm jealous of the specialized band saws. Someday!
  3. cuttlefish eggs! Good luck, those are awesome.
  4. Bumping this as a reminder and for a few additions to the list. I am also looking for common aquarium pests and *known* varieties of nuisance algae. (e.g. Bryopsis) Rather than come up with a long comprehensive list, if its something that you want to keep out of your tank, and you have a specimen of it, I want to sequence its DNA. (I already have plenty of specimens of vermetid snails and bristleworms. Funny enough I have no aiptasia currently, but I can probably get some locally). Brown jelly disease.... this is still high on my list. I've got a bunch of samples from one tank
  5. I'll be curious to hear how this goes. I tried this with some orange and purple capricornis a while back. They wouldnt fuse for me, and the purple took over (I ended up with 6 mini colonies of purple cap instead of 6 grafted frags) It probably depends a lot on which varieties you start with, what colors are these? (unsure because of the blue) I still think the grafted varieties in the hobby are products of somatic mutation rather than true grafting but I keep trying!
  6. Glad I'm not the only one. If my corals crashed as often as my chaeto does, I think I'd have left the hobby long ago. It goes through boom/bust cycles in most of my tanks, and I cant figure it out. I've tried dosing iron etc, nothing helps. I always just grab some from one of my other tanks and transfer it over to restart the chaeto. So far this has worked but if all my chaeto ever crashes at once I'm gonna be screwwwed.
  7. I should clarify that the study I cited was from a lagoon at Heron Island on the GBR, where there is limited exchange with the open ocean during part of the day. So these effects are probably different here than in the open ocean. Still, its a typical coral habitat so I figured it was a relevant number to add to the discussion. I'm often struck by the fact that on real reefs, most of the parameters we try to keep stable in our aquariums, are not stable at all. Temperature, light, pO2, pCO2, pH, alkalinity. The only cycle we ever try to mimic is light. The others, we (the reefkeeping comm
  8. So cool. This is incredible that the hobby is getting to the point we can detect and think about adjusting these daily fluctuations in alkalinity. Since pH isnt stable on natural reefs, I was motivated to look at the research literature to ask, how does your variation in alkalinity compare to natural coral reefs? This study (reference here) also found alkalinity dropped during the daytime by about 7%. (Its shown as "TA", for total alkalinity) I guess the daytime drop in alkalinity is driven by photosynthesis? Interesting that this pattern is opposite the variation in cor
  9. Just dropping in to say F bristleworms. I feel more compassion towards yellowjackets.
  10. Still looking for 40 breeder (at least 1, maybe 2) 4'x2' shallow frag tank Not desperate but would also buy 29 gallon 55 gallon
  11. Gambling on aquarium equipment, how can I resist? 5 + my freebie: 3 on the nero 3 on the mp40
  12. I agree. I've been able to accomplish what I wanted to with the Apex, but man, it'd sure be easier if they just included some of the basic elements present in every other language I've used. Cmon, Neptune, just give me some kind of loop!
  13. The new coral shed is close to finished... so now I need tanks to fill it! Still looking for frag tanks and 40b.
  14. Ha, I hadnt thought about that. Sure, I can keep any information about what parasites a person may have in their tank confidential. My purposes don't require even knowing where the parasite came from, just what it is. To be clear, the goal here isnt building a database of what's in various peoples tanks (like with the microbiome). The goal is more specific identification. Currently, when I analyze an eDNA sample from an aquarium, I can tell it has corals, fish, snails, shrimp, etc. because I find their DNA in the water. I also find parasite DNA in the water. For stuff like Cryptocar
  15. I'm focusing on parasites for this test -- the algae test would be good to ID Dinos but I'm keeping that on the back burner for now. I can run the algae test on your recent sample and see what shows up..
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