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Crab

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Everything posted by Crab

  1. Oh is it? I bought $12 at Pasir Ris. Size is about 3 to 3 1/2 inch. Anyone interested may offer me a price you feel confortable.
  2. 1 month+, it eats pellet food. Selling cos bully by Bannerfish. Now in quarantine tank. Self collect at Jurong. Selling $10/= (ten dollar only)
  3. I don't think 'acclimatise' is the cause. And have never seen LFS acclimatising their fish. Thinking about fresh water bath, isn't it worst? I don't acclimatise new fish sometimes and nothing bad happen.
  4. That's what i'm going to reply. And you post it first
  5. Just retest yesterday. Dillute 1 part sample by adding 4 part distilled water. Drain out 4 part and left with one part & compare with colour chart. Actual result is around 125mg/l (after multiply by 5) Also went to reefcentral, many FO tank owner has nitrate above scale. Some even > 130mg/l. Endless debates over bioballs, nitrate factories & dsb on FO tank. The more I read, the more I'm confused.
  6. Need it for experimenting. So buying 2nd hand to save cost. Any brand. Prefer one with large capacity.
  7. Thanks cookiemunster. Looking forward to your update.
  8. CMSWong, Thanks for sharing. Any risk of fire or explosion? I'm thinking of trying on Eheim 1060.
  9. The test kit (Salifert) is new, reputable & OK. I've use it on another reef tank and its about 25-50 mg/l. My fishes are ok, all 4-8 inch size, includes angels, tang, butterfly & others. Have > 10 in there. Most of them have been with me for many years since they're transferred from my old tank.
  10. Nothing to do yesterday. Measured nitrate in my few years old FO tank. Using Salifert test kit. 1st attempt: Outside the scale of 100mg/l 2nd attempt: Increase the test sample by 5 times. Still exceed 100mg/l Does it mean that NO3 is > 500mg/l ? For the 2nd attempt, Am I doing it correctly? Do I just increase sample by 5 times or use 1 part sample and 4 part distilled water? I think it's a little tricky here, maybe has to drain 4/5 before comparing with the colour chart. Following the same logic of high/low scale reading in the instruction leaflet.
  11. Upz for myself Nobody saw it? I don't believe it.
  12. Seahorse, Could you post a picture of your tank + ceiling height cabinet? I'm helping my brother to design one in his new flat which is similar to yours. Hope you don't mind me copying
  13. Probably I'm too shallow. Are you talking about running from a one diode ac/dc transformer?
  14. I don't think that will affect the output of ac/dc transformer/power supply. I've made quite a few variable power supply so far. One of them is to drive a DC 12 V pump. A good ac/dc power supply has 3 main basic steps. Frequency input in diagram 1 will not affect the output in diagram 4.
  15. After so much of technical staffs, can I confirm whether household fan switch can be used to control pump's speed?
  16. Terry, There's a report on hk trip here. The street name is mentioned also. http://www.sgreefclub.com/forum/index.php?...97&hl=hong+kong
  17. Someone told me b4, I called that shop at CCK (not marine lfs) and they say no stock. Can't remember the lfs name.
  18. Heard there's weipro 2016 protein skimmer. Anyone seen it? Can tell me where can I get it?
  19. Care to share what's deep cycle & starter battery? I open up my UPS and saw a concealled battery like the one in my car. I use the UPS to charge my 12v battery too
  20. Wondering this idea will work. Buy many lorry size battery and connect it to the UPS. No problem hitting 1,000AH !
  21. My hermit about 1 year. Bought two shell, first big & second smaller. It scrutinised the shell on both incident. But doesn't want to migrate. It is really hardy, medication, hypersalinity & copper treatment, still alive and kicking
  22. If your friend is correct, maybe we can dismantle an old fan switch and fix it on pump.
  23. There's lobang here. Higherst bid now is $50. 2 hours left, quick. http://page.auctions.shopping.yahoo.com/sg...84?aucview=0x13
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