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  1. thang45
    Post

    Wide spectrum LED build: ALL IN

    Can anyone please tell me if the 398nm or 420nm UV is harmful if look into it for a short period of time? I’m thinking of spillage. Also,...
    Post by: thang45, Mar 1, 2012 in forum: LED Aquarium Lighting
  2. thang45
    Post

    Low Ph 7.59 using calcium reactor

    Ok here are my results. Calcium (inconsistent numbers between ELOS and Salifert) 413ppm with Hanna checker 420ppm with ELOS 330ppm with Salifert...
    Post by: thang45, Nov 9, 2011 in forum: Water Chemistry
  3. thang45
    Post

    Low Ph 7.59 using calcium reactor

    Thanks! I didn't know that.
    Post by: thang45, Nov 9, 2011 in forum: Water Chemistry
  4. thang45
    Post

    Low Ph 7.59 using calcium reactor

    BTW, can I use baking soda to bring up the pH? Will the pH be stable?
    Post by: thang45, Nov 9, 2011 in forum: Water Chemistry
  5. thang45
    Post

    Low Ph 7.59 using calcium reactor

    LOL I didn't even know that. You got skills.
    Post by: thang45, Nov 9, 2011 in forum: Water Chemistry
  6. thang45
    Post

    Low Ph 7.59 using calcium reactor

    I had my reef tank for about 1.5 yr now and never really understood the relationship between cal, alk, ph and mg. All I know is that I need the ph...
    Post by: thang45, Nov 9, 2011 in forum: Water Chemistry
  7. thang45
    Post

    Low Ph 7.59 using calcium reactor

    Thank you very much for this great explanation. This morning I noticed another big colony is getting white tip. I think it is dying. My pH this...
    Post by: thang45, Nov 9, 2011 in forum: Water Chemistry
  8. thang45
    Post

    Low Ph 7.59 using calcium reactor

    Yes I mentioned about that article but he said he has been doing this for 5 yrs and did not know people are using it to raise the pH. I did asked him...
    Post by: thang45, Nov 8, 2011 in forum: Water Chemistry
  9. thang45
    Post

    Low Ph 7.59 using calcium reactor

    You know what I have never retested after I calibrated. So I can consider the probe bad if it doesn't say close to 7 in a 7 solution? I told him...
    Post by: thang45, Nov 8, 2011 in forum: Water Chemistry
  10. thang45
    Post

    Low Ph 7.59 using calcium reactor

    That’s not a bad idea. The pH in the reactor is 6.82. I do see lots of growth but these past few days I just noticed some big colony are losing...
    Post by: thang45, Nov 7, 2011 in forum: Water Chemistry
  11. thang45
    Post

    Low Ph 7.59 using calcium reactor

    I have 3 test kits and they are not consistent. Salifer says 430ppm, ELSO and Hanna checker says 500-550ppm. ALK is at 8.2 and my mg is low at...
    Post by: thang45, Nov 7, 2011 in forum: Water Chemistry
  12. thang45
    Post

    Low Ph 7.59 using calcium reactor

    I will try the air line and kalk. I stopped the CO2 for about a month because my ELOS and new Hanna Calcium checker readings were at 500ppm. But...
    Post by: thang45, Nov 7, 2011 in forum: Water Chemistry
  13. thang45
    Post

    Low Ph 7.59 using calcium reactor

    Are you using calcium reactor or 2 parts?
    Post by: thang45, Nov 7, 2011 in forum: Water Chemistry
  14. thang45
    Post

    Low Ph 7.59 using calcium reactor

    Thank you I really needed this. You mean dumping the powder directly to the ATO? Can you explain a bit more why I need egg crates?...
    Post by: thang45, Nov 7, 2011 in forum: Water Chemistry
  15. thang45
    Thread

    Low Ph 7.59 using calcium reactor

    I have done lots of reading on this forum about low pH but I don’t understand it completely. I have Geo618 Calcium reactor with Apex as the...
    Thread by: thang45, Nov 7, 2011, 36 replies, in forum: Water Chemistry
  16. thang45
    Post

    Could this be reef bug? Corals dying...

    BTW, does purple xenia release toxic that could kill sps?
    Post by: thang45, Dec 2, 2010 in forum: Diseases
  17. thang45
    Post

    Could this be reef bug? Corals dying...

    Flatworms create hole in the coral? I had to use a coral cutter to crack it open in order to see them. They don't move around, but if I...
    Post by: thang45, Dec 2, 2010 in forum: Diseases
  18. thang45
    Post

    Could this be reef bug? Corals dying...

    Thanks Steve. The coral were bleaching so I frag most of it. But saw at least 10+ of those white spots so I cracked them open and posted it. I...
    Post by: thang45, Nov 29, 2010 in forum: Diseases
  19. thang45
    Post

    Could this be reef bug? Corals dying...

    more pictures. Is this some kind of crab living inside the coral?
    Post by: thang45, Nov 29, 2010 in forum: Diseases
  20. thang45
    Post

    Could this be reef bug? Corals dying...

    I saw some small eggs on my frag rack but think nothing of it. I took a few corals out and use iodine dip but didn’t see any flat worms. Maybe I...
    Post by: thang45, Nov 29, 2010 in forum: Diseases
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