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  1. roblou

    return pump size

    FWIW, I think you'll be ok with the smaller pump...
  2. roblou

    calcium ?

    Have you checked your Mg level? If Mg is low, then it can be hard to maintain Alk & Ca. Might be worth checking... hth, Rob
  3. roblou

    Need advice for Return pump

    yeah, i understand about accommodating for restrictions...that's what head pressure is, right? All I'm saying is if she's using a 1700gph pump currently and considering upgrading to a 4800ghp hammerhead (roughly 3x more powerful pump), it may be too much pump, even with the 8 ft head pressure...
  4. roblou

    Need advice for Return pump

    jill: IMO, the primary thing you need to consider is how much flow can your overflow handle? The rate your overflow can flow to your sump WILL BE the limiting factor of how much flow you can return via your pump back to your display. Your overflow's flow rate will be a factor of the size &...
  5. roblou

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

    Hi Nick: thanks! The only thing that comes to mind right now when you ask your question is the depth of tank (front to back) makes reaching the back difficult. Standing on a step-stool I can just barely reach the MP40 on the back wall. Had I mounted it any deeper I wouldn't be able to reach...
  6. roblou

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

    Well, I figure it's time for some pic updates: FTS: Side view: Besides adding new corals, since I set up the tank last October, I have noticed the maturing of the rock. I started with all dry/dead rock, so it was pretty much all white & clean. Now, much of the rock has taken on darker...
  7. roblou

    making rock wall

    Well, IME I only wanted to use enough foam to fill in the spaces between the rocks, making a bunch of single rocks into a solid "wall", not to cover any of the rock, just fill the gaps.
  8. roblou

    Overflow help

    For a internal overflow like you have, there is technically no syphon, it's just gravity that brings the water from your display to your sump. I don't think you should need an aqualifter either. (A syphon would be used on external overflows where the water goes over the top of the tank. Some...
  9. roblou

    Elos 70 vs Solana xl 60

    The solana you linked too doesn't look rimless...are you sure it is?
  10. roblou

    Good Clean Up Crew ?

    I ordered a CUC online at http://www.ccritters.com. I went with a little of everything: scarlet,blue leg & white claw hermits; porcelain & sally lightfoot crabs; turbo, nassarius, cerith, nerite, & mexican snails; and serpent & harlequin serpent starfish. Shipping was from FL, sent USPS 2 day...
  11. roblou

    Making Sump

    I believe you'll want to silicone the bottom as well. That way, you'll force the water to flow over the top of the baffles. Without, I'd assume some amount of water would flow under the baffles, which may not impact too much, but I'd just take care of it while you're already siliconing the...
  12. roblou

    adding a sump

    Hmm, that's a good question. I think another consideration on the size of the overflow box is the total volume. If it's too small, I think it may empty faster than water can flow back into it thru the overflow teeth (not 100% sure about that, but I think "too small" could be possible). As far...
  13. roblou

    adding a sump

    In the case of the overflow, I just match the tubing size to the size of the fitting that comes with the overflow. If you're building your own overflow, I think you'd want 1.25" or 1.5" inner diameter (if using tubing). In the case of the return, I am using 3/4" inner diameter tubing. But I...
  14. roblou

    adding a sump

    Hi nemirn: I've never run a nano, but I don't see why you couldn't run a sump with one. I just added a sump to my 45g, which I did as follows: 1. external overflow box: I got mine from lifereef, however I think the one I got would be too big for a nano. perhaps you can find an external...
  15. roblou

    do you want max cap,that your over flow will go,

    In the case of the built-in overflow, I am using the overflow that came with the tank. The stand pipe has a hole at the top that allows air to enter which helps prevent noise (without the ability of air entering it would make gurgling noise). In the case of the external overflow box (lifereef...
  16. roblou

    do you want max cap,that your over flow will go,

    I have 2 tanks, 1 with built-in overflow, and 1 with an external overflow box. In both cases, I do not restrict the flow coming from the overflow box down to the sump. Whatever size the overflow fitting is I use the matching size tubing. From the return pump back to the display I have a...
  17. roblou

    water into overflow ?

    Hmm, I think ideally you'd want the water level inside the overflow box lower than the water level in the tank...
  18. roblou

    making rock wall

    I checked and it's actually 30 minute "Slow-Cure" 2-part epoxy I used. hth, Rob
  19. roblou

    making rock wall

    I recently made a rockwall using the method you described. I used egg crate as the 'skeleton' for the rockwall and zip ties to secure dryrock to the egg crate. Once I had the dryrock secured to the rockwall I used the spray foam. There are a few different kinds available, but from reading...
  20. roblou

    Sump help

    FWIW, I am currently using a 10g as a sump for my 45g tank. I have no baffles and use an ATO from autotopoff.com to keep the water level at a constant 8". Sump holds my skimmer, heater, carbon bag, ATO & return pump. good luck! Rob
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