Reefkeeping South Africa » Items by coralline

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Items by coralline

Marine Aquariums of South Africa

• 

  Cleaning a skimmer

  Posted: April 18th, 2012, 4:22pm CDT by coralline

  Hi Skimmer-fanatics,
  
  I have just purchased a 2nd hand skimmer (Reef Octopus OCTX200) which I need to clean. I've heard a lot of people using vinegar to remove coralline algae and calcification within the skimmer... Is this the best thing? How do you go about it (run the skimmer with a pure/dilute mixture inside)? Any particular type of vinegar (spirit/malt/grape!)? Does one have to rinse the skimmer 1000 times thereafter?!
  
  Thanks guys:thumbup:
• 

  [FS]: Grotech Skimmer 1000 ltrs & OTP 2000: Randburg, JHB

  Posted: April 8th, 2012, 9:38pm CDT by coralline

  Hardware for saleThread title:

  Grotech Skimmer 1000 ltrs & OTP 2000

  Location:

  Randburg, JHB

  Shipping or Collection only:

  both

  All sales to be conducted on the thread.

  • I agree

  Photo's and description/list of items for sale:

  Grotech HEA 150 External Skimmer
  Rated for 300-1000 Litres
  Eheim recircultaion pump with venturi
  
  I bought this recently on MASA and it works well, it's just difficult to feed it off my DIY overflow as the level in the overflow varies so the feed volume varies, and can't bring myself to buy another feed pump... And I have an internal skimmer on hand to replace this one. Excellent Condition.
  
  I bought this for R2500 a couple months ago, so I will sell it go for the same (ono!).
  
  
  
  Octopus OTP 2000 Needle wheel pump
  Good working condition (no venturi)
  R450

  Notes:

  -

• 

  Venturi for Reef Octo OTP 2000

  Posted: March 25th, 2012, 9:49pm CDT by coralline

  Hi guys,
  
  Anybody have a spare venturi for the OTP 2000? I can post a pic of my pump and inlet if necessary...
  
  Thanks!
• 

  high output LEDs

  Posted: February 29th, 2012, 3:33pm CST by coralline

  Hi guys,
  
  I am in the process of building an LED unit and I accidentally damaged some of the LEDs so I'm looking to see if anyone has some spareas that he/she would liek to sell. I sourced mine from China but it took flippin ages to get here (freight, customs etc), so I'd like to get the unit up and running before Christmas!
  
  I am currently using Cree XML 10W cool white and Cree XPG 3W royal blue;
  ...so I'd like to get from someone Cree/Bridgelux etc. 5 x 10W cool white or 15-20 3W cool white and 6-10 x 3W royal blue.
  
  Anyone got some spare, unwanted LEDs?!
  
  Thanks:thumbup:
• 

  Protein Skimmer for 750 ltr system

  Posted: January 10th, 2012, 9:20pm CST by coralline

  Hi guys,
  
  Does anyone out there have a good protein skimmer (internal) which will run a 750 ltr system (moderatly stocked), but the problem is that it needs to be no more than 50 cm tall, and have a foot print of no more than 24 X 50 cm. this will be in-sump, the water level in the skimmer compartment will be 25cm deep.
  
  The relatively restricted height of my sump cabinet is a major issue for me, and I have no space to put an external skimmer. If it helps, I'll post a thread to show the tank design etc.
  
  I've seen some Skimz, Tunze and Reef Octopus skimmers which look 'short' enough to fit, so if anyone has a suitable one to sell, please let me know. Otherwise, I'm going to attempt a DIY skimmer, but I don't feel like endless hours of tinkering and fiddling only to eventually give up and buy one anyway:lol:.
  
  Thanks ;)
• 

  Anyone willing to donate a cup or two of mature sand?

  Posted: January 9th, 2012, 4:16pm CST by coralline

  Hi guys,
  
  I've just started a fairly large DSB (roughly 150cm X 50cm) and would love to get some mature sand from an established DSB to get it going...
  
  Is anyone out there able to kindly donate? I'll exchange it with fresh sand;)!
  If the same person has a few pieces of LR they wanna sell, I'll grab that too, also in exchange for fresh sand:razz:, or cash!
  
  Thanks:thumbup:
• 

  A couple of cups of DSB sand

  Posted: January 5th, 2012, 3:57pm CST by coralline

  Hi guys,
  
  I've just started a fairly large DSB (roughly 150cm X 50cm) and would love to get some mature sand from an established DSB...
  
  Is anyone out there able to kindly donate? I'll exchange it with fresh sand;)!
  If the same person has a few pieces of LR they wanna sell, I'll grab that too, also in exchange for fresh sand:tt2:, or cash!
  
  Thanks:thumbup:
• 

  Live Rock - Randburg/Roodepoort area

  Posted: August 25th, 2011, 2:50pm CDT by coralline

  Hi guys,
  
  I'm looking for about 5 or 6 kg of nice, established LR to seed a load of homemade rock in a new tank. The more coralline algae on it the better!
  
  Thanks:thumbup:
• 

  RO pump

  Posted: August 3rd, 2011, 10:50pm CDT by coralline

  Hi guys,
  
  I'm looking for an Reverse Osmosis booster pump - my RO system is a 5-stage with a 75 GPD membrane.
  Used is fine:P
  
  Thanks:thumbup:
• 

  3500ltr/hour return pump

  Posted: April 19th, 2011, 6:03pm CDT by coralline

  Hey guys,
  
  I'm looking for a decent sump return pump between 3500 and 4500 ltrs/hour. Low energy compsumption preferred.
  Anyone have one spare they wanna flog? Preferably in Jo'burg area.
  Thanks.:thumbup:
• 

  sump return pump (5000 ltrs p/h)

  Posted: March 4th, 2011, 10:30pm CST by coralline

  Hi,
  
  I'm looking for a sump return pump that consumes less than 100W whilst still able to push 5000(or up to 6000) ltrs p/h, oh yes - and I'd prefer to not pay an arm and a leg:P.
  I know how good the water blaster pumps are, but they're pretty pricy.
  
  I'd like to get hold of a New Jet pump at this strength, as they also only use around 60W! Hailea pumps are good value, but thristy on Electricity
  
  Anyone have any spares?:blush:
  
  Thanks:thumbup:
• 

  sump return pump (5000 ltrs p/h)

  Posted: February 21st, 2011, 8:12am CST by coralline

  Hi guys,
  
  I'm looking a for a ruturn pump with a rating of approximately 5000 ltrs p/hour. Also, it musn't consume loads of electricity, so 40-60 Watts would be fine. Reputable, dependable makes only!
  
  :thumbup: Thanks
• 

  Sump separation to allow varying flow rates

  Posted: February 10th, 2011, 4:14pm CST by coralline

  Hi y'all,
  
  After doing a fair amount of reading on MASA, SARK and other online sources, I decided a DSB was the way to go and wondered why I never used it on my previous reef tank.
  
  I'm nearly finished my 6 foot tank build with a sump for skimmer, refugium and DSB. The sump specs:
  110x50x32cm
  Section 1 - inlet from overflow and houses skimmer (TS3 or large Deltec, yet to be acquired); 30x50cm
  Section 2 - return pump (5000 lts p/h, yet to be acquired!); 25x50cm
  Section 3 - refugium; 15x50cm
  Section 4 - DSB; 15cm deep; 40x50cm
  
  No, I'm not crazy! The order is correct... read on.
  
  I read an interesting artice on reef-eden (DIY 4, I think) about separating the flow in the sump to accommodate that required for the DSB. The skimmer obviously needs a high rate of flow, but the DSB may require a lesser flow rate (depending on the length and breadth of the DSB, of course). I also saw on YouTube where an American guy (not that it matters!) built a sump with the return pump in the middle of the sump so that the water flowed from either side to the middle, at varying flow rates. Below is a diagram, roughly to scale, to the sump design (bear in mind I am not a graphic designer:tt2:):
  
  The triple lines are the baffles, with a single piece of glass separating the DSB and refugium. Water depth over the DSB will be about 10cm. Attached is another picture (not to scale) of the sump, again, please don't laugh.
  
  So, my questions are:
  1) is it really worth going this route for the sake of varying flow rates?
  2) I have, over the last couple of days, come to realise for the size of my tank and with 15-20 fish and a mix of SPS and LPS, my DSB should be at least 50% larger - am I correct in thinking this? I don't mind building a new sump if need be (fun with silicone...Hmmm), but I am limited to the size of the cabinet, so I can't go that much bigger, perhaps 70 or 80x50cm max).
  3) I read on one of the threads that one should have a fllow of around 10 times your total water volume p/h over the DSB - Eish! that is more than my return pump will be pushing, and surely will result in sand storms! Any new ideas on this? I read RiaanP's great advice on this topic.
  4) If the feed to the DSB is pre-filtered by the filter sock and partially by the skimmer (this won't get all of the water passing through), will there be enough food for worms etc on the DSB? Should I feed this manually to keep them thriving, or leave the DSB as a Nitrate removal stage, and leave the dritters to grow in the refugium. If I leave the DSB for Nitrate reoval only, then I may choose to keep it dark, with the refugium lit for the macro algae (chaeto).
  
  I am planning on using play sand (well rinsed) with some Aragonite mixed in for the DSB.
  
  Guys, any advice and feedback is most welcome and will be constructive (and apologies for the long-winded post!).
  Many thanks in advance:thumbup:
  Attached Files

  sump 2.docx (22.0 KB)

• 

  Protein Skimmer and sump pump required in JHB

  Posted: February 6th, 2011, 11:31pm CST by coralline

  Hi guys,
  
  I'm looking for a skimmer too handle a 650 litre mixed reef system; and a sump return pump rated at 5000/5500 ltrs p/h. Good, reputable makes.
  
  Northern Suburbs, Johannesburg.
  
  Many thanks:thumbup: