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  1. roblou

    question about R/O

    RO or RO/DI advantages can be summed up like this: they help remove as much "unknown" stuff from your water, making it pure (or at least purer than before). Depending on where you're getting your water (i.e. city water supply, well water, etc) there can be a number of things in the water...
  2. roblou

    RO/DI Water Filters/Inserts

    You really can't go by gallons produced when trying to determine how long your RO/DI filters and membrane will last, as it will vary based on your input water quality. The worse your input water, the quicker your filters will need to be replaced. It's best to judge by using your TDS meter and...
  3. roblou

    Rob's 93g 30"x30"x24" Marineland Cube

    Over the weekend my Vortech MP40W stopped working again. After inspecting the wetside assembly, it appears to me the bearing or similar broke, as the shaft moves side to side quite a bit now. This is the 2nd wetside assembly I have had fail on me. I bought the pump in 10/2009 and had the...
  4. roblou

    ATO question

    +1 on not running RO/DI straight to the sump. As already mentioned, if the valve gets stuck open it's going to be bad. Also, roscoe is correct that when RO/DI sits idle, there is some TDS creep that occurs within the membrane/filters. For that reason, it is recommended to purge the water in...
  5. roblou

    making rock wall

    As much as possible, I used zip ties to hold the rock to the eggcrate. Smaller pieces of rock I just let the foam hold it in. The foam does harden and become quite rigid, so holding smaller pieces doesn't seem like a problem. But, depending on how large, gravity over time might be enough to...
  6. roblou

    Rob's 93g 30"x30"x24" Marineland Cube

    I don't really notice them running when the MH are on, but if I turn them off I definitely notice it in the color of the corals (loses the 'pop'). Also, there are areas on the bottom of my tank where the MH light is shadowed, but the purple of the LEDs are visible. So, based on that I would...
  7. roblou

    Rob's 93g 30"x30"x24" Marineland Cube

    I went with 2 of these: http://premiumaquatics.com/store/merchant.mvc?Screen=PROD&Store_Code=PA&Product_Code=RB-HLS15-B&Category_Code=reefbrite They are just supplemental actinic LEDs.
  8. roblou

    Rob's 93g 30"x30"x24" Marineland Cube

    OK, sorry for the lack of updates in over a month! I received my actinic LEDs and mounted them in my canopy. WOW, are they bright! At the same time I mounted the LEDs I also replaced my 250w MH bulb (made sense at the time because I had to remove the canopy completely, which requires 2 people...
  9. roblou

    sump size for 90 gallon question

    +1 for as big as you can fit
  10. roblou

    New Arrivals for 5-03

    Monday 5/3, or Wednesday 5/5 ?
  11. roblou

    Summer Long Reef Experiment

    I wouldn't care what the land lady says, vandalism should be reported to your local police/sheriff office for investigation. If you just shut up and let it continue, it will never stop and could likely get worse.
  12. roblou

    metal rod from k3 in tank

    do you have a magnetic algae cleaner or something similar? If so, perhaps try using it to fish for the metal rod. guess the metal rod is in the tank during normal operation of the pump, so you'd think it can't be too bad. but i'd certainly feel better myself if I could get it out.
  13. roblou

    Inconsistent dosing requirements

    IME, Alk does seem to drop quicker than Ca. For my 2 tanks, once I got them on a regular dosing schedule, I dose the same amount of Alk and Ca daily. For my 45g I dose 75ml of each daily. For my 90g I dose 50ml of each daily (90g is much newer with less livestock). In both cases, if I forget...
  14. roblou

    Sand: Good or Bad?

    Yep, that's where I stand now also. And, no sand...BB.
  15. roblou

    Sand: Good or Bad?

    If you have an acryllic tank and you use a magnetic cleaner to clean the algae off the sides, you'll be cursing sand after the first time you get a grain or two caught between the algae cleaner and create nice long scratches :eek: Just my experience, YMMV... Rob
  16. roblou

    Finally got a tank. 60g Solana

    My advice is too late for you, but maybe for others reading this thread it might help... When I applied the foam to my rockwall, I layed the eggcrate down flat on top of a large Hefty trash bag. I still had to trim some off the back, but it didn't stick to the plastic bag, and overall the back...
  17. roblou

    New LED's released

    I think there's some debate over "lifespan" vs usable lifespan due to luminescent decay. Even though the LEDs will last for 50,000 hrs, it doesn't necessarily mean you keep using them that long. Just like we replace our MH bulbs at ~6 months, even though the bulb continues to light up... From...
  18. roblou

    What size return pump???

    I would also suggest that when setting up the sump & return pump that she puts a ball valve between the return pump and the display. By doing this, she will be able to throttle the flow down if needed (some return pumps have built in flow control valve, so in that case a separate valve may not...
  19. roblou

    New LED's released

    The RC thread has some good pics: http://www.reefcentral.com/forums/showthread.php?t=1746535 In that thread, they are using fixtures made by someone and sold through nanotuners: http://www.nanotuners.com/product_info.php?products_id=623&osCsid=alhi51siai2u554dj3l0dt02n1 Those have 5 CREE...
  20. roblou

    New LED's released

    I have a 12" tall canopy with my tank right now, using MH lighting. The information I was reading regarding these types of LEDs is that mounting them inside my canopy might be too low, creating a spotlight effect. A lot of people seem to mount these all the way up on the ceiling and from...
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