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  1. tonggao

    3 sets of 250w Metal Halide hoods and ballasts

    Forgive my ignorance, I am not sure if people still use metal halides nowadays, I have three sets of Lumen arc and Lumen max reflectors with 250 sockets together with icecap ballasts from the days when I was crazy about raising corals. If anyone wants them, they are yours, otherwise trash cans...
  2. tonggao

    Free 30x30x18” ringless reef tank with base and hood

    I have not been on this site for more than 12 years as I just checked, and it took me a while to find this forum, so I hope I did not post this in the wrong place. I have been getting rid of my vast amount of coral equipments recently that I truly enjoyed many years ago. I stopped the hobby...
  3. tonggao

    Is my LED lighting killing the RBTAs?

    I have a 12G nano tank that I fitted with 12 Cree LEDs (6 white and 6 royal blue) with no other lighting, and I always wanted to put a small RBTA in the nano tank. Even though the LED lights look great to people's eyes, I don't think my corals like them very much. Most SPSs I put in there will...
  4. tonggao

    Where can I buy large chocolate chip starfish for my harlequin shrimp?

    I bought a couple of harlequin shrimps last weekend, together with two chocolate chip starfish from the same LFS. The starfish are pretty small since they don't have any larger ones. I was hoping to just chop one leg off from one of the startfish once a while and let it grow back. But the...
  5. tonggao

    Has anyone experienced this before: six line killing mystery wrass

    I have a mystery wrass who is full sized when I got it at the beginning of this hobby 3 years ago, and she is close to 5" now. For those who have seen my tank, you know I also have a six line wrass which was pretty big. Recently, the six line grew even more, and it is between 2.5" and 3" now...
  6. tonggao

    LED actinic for a 70G cube

    I am getting tired of posting these DIY threads, so this will be my last one. It is for a 70G (30"x30"x18") starfire ringless tank, and it is fitted in a DIY hanging light box with a Lumen max elite MH reflector and the box is cooled by 4 120mm fans. Total of 24 royal blue LEDs are mounted on...
  7. tonggao

    My dream LED fixture that cracked my 12G tank

    Part of the reason for me to be in this hobby is that there are so many interesting toys that I can play with, and part of the fun with these toys are to make them myself. I have made a few things now. Even though they work fine, it is hard to make them NOT to look like DIY. Recently, I started...
  8. tonggao

    Love my new skimmer! Ian, is this what you were telling me about?

    Ian, I remember you were telling me about this new Vertex skimmer that kicks behind during the BBQ. Is this the one? Anyway, after hooking up my new 70G tank to the original tank, my Euroreef skimmer with Eheim pump has been suffering from under skimming, and I had hard time keeping the...
  9. tonggao

    LED actinic light for 70w Sunpod

    I have a 70w Sunpod on my 12g aquapod that I really like, but for the longest time I wish to have some actinic light that goes with it without clustering up the top of the small aquapod. Recently I started the LED itch, and thought LED will be the perfect way to go. After quite sometime thinking...
  10. tonggao

    LED sump cheato light

    As I mentioned in another thread, I got really interested in making some LED lighting, and thought doing a sump light will be a good starting point since it does not have to be pretty or perfect. I did not take any pictures along the way, so I can only show the end results here. The sump is...
  11. tonggao

    Where to buy aluminum flat bar and square tube and anodize them locally?

    I am trying to make a aluminum frame for a DIY LED ligth, and want to buy some 3" square tubes and 1" thick 2" width flat bars. Does anyone know where I can buy it locally? Also, to make it look nice, I like to anodize them black if it is not too expensive, does anyone know a local shop that can...
  12. tonggao

    What sized conduit should I use for lighting box hanger? And what hanger cable?

    I am thinking about using conduit to make a light box hanger. The light box will be 30"x30", and it will be made of wood and have a 250w MH, two 24" VHO, and 2 24" T5HO in it. I am thinking about using two conduit from HD, and am a little confused about what size I should use. 1/2" conduit looks...
  13. tonggao

    Eight 24" T5HO or one 250W MH/Lumenarc mini with two 24" actinic VHO with two 24" T5HO?

    I spent quite a bit of time thinking what I should use to light my 30"x30"x18" cube, and need some experts' opinion here to help making the final decision. After debating a little between pre-made fixture and home made light box, I was inspired by Jimmy DIY light box, and decide to make my own...
  14. tonggao

    Where to buy a 30" x 30" x 12" glass tank?

    Since my effort to buy a used 30' x 30' frag tank yield empty, i am considering the next option, which is buying it new. For new one, I am aiming at more specific spec., and am thinking about buying a 30' x 30' x 12-16' glass ringless tank with overflow, preferrable (not necessary) with starfire...
  15. tonggao

    Tibetan Coral?

    Well, even though this is a coral question, I am not sure if this is related to what we are talking here, therefore the question. Since I am going to Tibet in one week, I was reading a little about it. One thing I noticed is that Tibetans make a lot of coral jewels. Are these corals totally...
  16. tonggao

    Chalices/acan learnt to live together

    I posted this on RC also, double posting it here to get more expert opinions. I have two frags of chalice mounted on two base rocks next to each other, and the watermelon is next to a orange crush acan. They were mounted there when they were small, and there were more than enough space...
  17. tonggao

    Baby Breath Favia

    * Yes * No
  18. tonggao

    ATL meteor shower Cyphastrea

  19. tonggao

    Steve Elias stag

    I have 2 frags of Tyree Steve Elias frags that I like to put back into DBTC. As you can see from the picture, the color and shapes are a little strange at the moment. The color used to be green/blue body with baby blue tip, and the body is kind of brown now, partly due to it grew too big and not...
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