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About nibor

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    Nano Reefer

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    Northern Mediterranean
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    Sea life.
  1. Mp10 glass thickness?

    What is traditionally called 3/8 inch glass is 10mm. Plate glass is produced to metric thicknesses even in the US. The US standard for what is sold as 3/8" or 10mm plate glass allows for a range of thickness from 9.02 to 10.31mm. What that actually means is that if you buy a 3/8 inch or 10 mm aquarium in the US, it may or may not work with your MP10. Ecotech give a maximum thickness of 9.5mm and if you buy an aquarium sold as 3/8 inch or 10mm glass it may be thicker than Ecotech's advertised limit for the MP10. This is why the Ecotech CS rep told the poster above that 8mm is the last common size that they guarantee to work. 8mm or 5/16" has an allowable range of thickness from 7.42 to 8.43mm to conform to US standards. Different countries have different allowable ranges of thickness. +1 for getting an MP40 to be sure.
  2. RO/DI, TDS and Chlorine

    Check on the TDS values after the RO but before the DI. Water coming from the DI will show 0 TDS until the DI is used up. If the TDS of the water coming from the membrane is higher, you are going to use your DI resin up faster.
  3. What is this?! Dead Firefish

    +1 isopods Some are parasitic, some are harmless scavengers. Difficult to give a definitive answer from that photo. They look to be cirolanid but the eyes are smaller than typical and it is difficult to see the shape of the tail. http://www.reefkeeping.com/issues/2002-05/rs/
  4. Persistent High PH

    Forget about oxygen, O2 has no part in the reaction that forms carbonic acid. H2O + CO2 => H2CO3 Levels of dissolved oxygen have no influence on pH, levels of dissolved carbon dioxide do. Stronge aeration helps dissolved gases (including CO2) find equilibrium with the surrounding atmosphere. The only way aeration could be a contributor is if the surrounding atmosphere has less than normal levels of carbon dioxide: something is actively stripping CO2 from the air in the office. In this case, the aeration would help maintain the dissolved carbon dioxide below normal values and pH would be higher.
  5. Persistent High PH

    What type of meter and probe are you using? What is your calibration procedure? Oxygen has no influence on pH. If pH is high but alkalinity is not, the cause is a deficiency of CO2. Strong aeration would actually help pH fall by increasing dissolved CO2 therefore pushing the pH down. +1 If the posted value for alkalinity is correct, aeration is adequate and you are not dosing anything the two possibilities are: 1. Your office has lower than normal levels of atmospheric carbon dioxide. 2. The pH is lower than your meter shows.
  6. Recommend return pump for a 20 gallon?

    You should not need a check valve on the return line.
  7. Refugium without an overflow

    So.. running a refugium as an independent system, using the nutrient loaded "dirty" water from the display to feed the refugium with no feedback from refugium to display? Not the same thing as the recirculating system the OP is trying to design.
  8. Refugium without an overflow

    I know, just trying to avoid confusion. You can think of it like that. What are you thinking of exactly? Edit: Lol, same post.
  9. how to choose heater for nano reef tank

    It depends on a number of factors. In particular: how cold the room can get, your target temperature and how much heat is added by other equipment. Typically, about 1W/L is reasonable. +1 for two smaller heaters and a temperature controller. For my home, two 50W heaters would be plenty for that tank.
  10. Refugium without an overflow

    No. For your idea to work the siphon and return pump rates need to be exactly the same. Fine in theory, impossible in the real world. A siphon is in no way an overflow. A siphon will empty the display tank at the rate the physics of that particular siphon dictate. An overflow drains water from the display tank as the water spills over the overflow at a rate dictated by the return pump. Links? The cube refugium with the mangrove has its own overflow and is fed by a return pump in the sump.
  11. Skimmer for shallow water

    How big is the tank and what is your budget? The water depth is going to limit your choices. This. The Tunze 9206 can also be run in very shallow water.
  12. Introducing air into full siphon drain?

    They don't have gate valves but these are two German stores you may find useful in the future. http://www.sewatec.de http://www.aquaristic.net Beananimal's original design uses 1 inch bulkheads stepped up to 1.5 inch standpipes so you are doing the same thing as the original design but on a smaller scale. He stepped the pipe size up immediately after the bulkhead. http://www.beananimal.com/projects/silent-and-fail-safe-aquarium-overflow-system.aspx
  13. end of cycle?

    Inaccurate API ammonia test kit? Verify with another test kit. Once you are ready to start adding livestock, go slowly. You have to keep allowing the bacterial populations time to stabilise every time you change the bio load. The nitrogen cycle never ends, you just have to keep letting it find equilibrium.
  14. Ro-Di unit for Pico

    Every reef keeper needs a TDS meter. Control the quality of water going into your tank, regardless of where it comes from.
  15. DIY PVC overflow question.

    What make/size of tank is it? Often it is only the bottom that is tempered. The Life Reef overflows get good reviews if drilling is really not an option.