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MadScientist

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Everything posted by MadScientist

  1. you know how to go using public transport?
  2. Stepping up and down causes some headloss, not a great deal. Most probably is the chiller. The coil/reservior are spaces, the pump will need to pump through them, resulting in pressure loss. I would choose option a for both. Cheaper and save some electricity due to the slight pressure on outlet side.
  3. Saw 1 unit in c328. 1 blue and green note. Tempted to buy, looks good
  4. Bro, the controller comes with 1ph sensor. (-109) The unit is 32kb (-50). I don't think vpost shipping is $159?Assuming paypal exchange of 1.33, is it cheaper? Vpost can always do consolidated shipping to bypass gst as long as each order is below sgd $400 with shipping. I think they are charging a little too high. I have checked with Phillipines distributor. A 256k controller (local's upgraded basic set) is only usd356 (15000 peso). Dhl shippng to singapore is 50.
  5. Harmless unless they decided to eat po4x4 exclusively
  6. bro, you have sales for all sorts of events, haha
  7. for me, I will go for yes to 2, 3 and 4. Reasons behind answers: Technically, it would be better if you have no chiller = higher temperature = higher metabolic/growth rate for bacteria, no skimmer and removers = higher levels of nutrient levels for bacteria. However, once we start to use them, the temperature reduces, stressing and killing off some of the bacteria. With lower nutrient, bacterial population starts to die off rapidly. The dead bacteria population may cause a mini nutrient spike. Hence, my preference of cycling a tank with parameters as close to normal situation as possible. As for 1, it depends on how you handle them. I rarely hear people acclimatizing the rocks with dripping method. You should expect some of the population to die off, however, with that said, the population should rebound fairly quickly. Coraline algae can produce spores when stressed, not much of a problem as it should recover slowly if anything were to happen. As for ending up with shortening of cycling period, I do not believe in cycling periods. As long as there's a reasonable population of bacteria around, it should be fine. Our tanks are cycling every single minute, when bacteria population dying and growing according to nutrient levels. I would recommend a cycling period for sterile tanks though as there is no bacteria population to speak of in the first place. If your system is unable to handle bioload introduction shortly, I would say your filtration is rather insufficient. For me, I will oversize the filtration to the level where even if the bacteria population suddenly gets wiped off, it can still sustain the bioload.
  8. any overseas purchasing expert? need help to calculate exact amount
  9. not the 736 of course, more egg meters from hanna, when the expert lol, it means he's going to do something that will awe all of us. bro spkentchai, are you going to bo all available hanna meters?
  10. haha, must look for bo experts, I don't know what to do to get permission for bo. I am really into buying 1, quickly
  11. You can always get those water drums for water dispensers. They do delivery and they do collect back the empty drums
  12. If you are going for ulns, typically not advisable as there's usually a tiny bit of phosphate and nitrate. If you are not that obsessed with that tiny bit entering your system, it's more than adequate. The amount is very little anyway. A feeding usually introduce more than what can be found in the water (dependent on volume used)
  13. Erm, no one sells di water for drinking? Tastes horrible. They only sell distilled at best. Tds is surely more than 0.2ppm
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