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http://indianaquariumhobbyist.com/community/ :: View topic - remote DSB - advice solicited
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remote DSB - advice solicited

 
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Gulls
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PostPosted: Tue Aug 31, 2010 2:15 pm Post subject: remote DSB - advice solicited Reply with quote

 Hi  all
 just  wanted  to  update  you  guys  on  my  last  post  (  Crushed  Coral  Base  for  Marine  aquarium)..
 Post  the  recommendations,  had  a  way  about  with  things.
 
 1)  Built  an  external  overflow  box  (DIY)
 2)  Made  a  refuiguin  (had  an  old  10  gallon  rectangular  aquarium)
 3)  Procured  Live  aragonite  Live  sand  (20  Pounds)(Coral  Reef  Live  sand  &  aroganite)
 
 Now  a  few  questions  on  the  same:
 
 1)  Grain  Size  looks  to  be  near  .5mm.  Have  no  means  to  have  the  exact  measure.  The  pack  does  not  mention  anything  on  the  grain  size  either.  But  looks  fine  (  definitely  not  superfine..  but  Fine  yes)
 How  to  measure  this?
 
 2)  Used  the  entire  box  of  sand  in  the  10  gallon.  It  created  a  2.5-3"  floor  only.  Would  this  be  sufficient  for  a  effective  DSB?
 
 3)  The  overflow  is  not   powerful.  3/4"  pipe  and  less  force  but  is  contineous.  Return  power  matched  using  flow  controller.  Tested  for  10  days  in  the  empty  tank  (before  adding  sand).  Hope  this  is  OK?
 
 4)  How  much  flow  should  I  keep  in  the  refuiguim?  Please  answer  in  XX  times  of  the  refuigium  volume.
 
 5)  Since  the  flow  is  from  a  overflow  with  a  sponge  to  avoid  ditrus  entry  into  the  refuiguim,  are  thae  tank  janitors  necessary?
 
 6)  WOuld  this  size  of  DSB  helpful  in  NNR(  Natural  Nitrate  Reduction)  for  my  90  gallon  DT?
 
 7)  Would  prefer  a  1"  bed  of  the  same  sand  in  the  DT  too.  Suggest  ways  to  replace  the  existing  coral  sand  without  causing  much  problems  (to  Livestock  &  Setup)  in  the  DT
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sid
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PostPosted: Tue Aug 31, 2010 3:13 pm Post subject: Re: remote DSB - advice solicited Reply with quote

 My  DSB  (2.5')  is  in  my  DT.  It's  full  of  worms  and  pods.  My  sump  (3x15x15)  has  crushed  coral  in  one  baffle  and  a  2.5  layer  (of  crushed  coral)  in  the  fuge  with  macro  algae  and  mangroves  and  a  big  piece  of  live  rock.  One  compartment  has  an  azoo  skimmer  and  a  U.V  filter.  The  other  comp  has  a  self  styled  crude  algae  turf  filter  come  wet/dry  arrangement  with  bio  balls  (get  a  load  of  that).The  fuge  is  full  of  pods  and  snails  and  whatnot.  I  didn't  bother  measuring  grain  size  because  the  brand  coral  reef  is  the  only  one  widely  available  in  this  country.  There's  no  other  option  if  one  doesn't  like  grain  size.  
 
 Late  last  year  i  tore  down  my  tank,  took  out  the  crushed  coral  substrate  and  replaced  it  with  brand  coral  reef  live  sand.  It's  the  best  decision  i  ever  made.
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Gulls
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PostPosted: Tue Aug 31, 2010 10:23 pm Post subject: Re: remote DSB - advice solicited Reply with quote

 Thanks  Sid..
 Still  some  questions  remains  to  be  answered
   Flow  in  the  refuiguin
 MOre  sand  required  or  not
 whether  it  is  big  enough  for  a  90  gallon  DT
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gremlin
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PostPosted: Tue Aug 31, 2010 11:59 pm Post subject: Re: remote DSB - advice solicited Reply with quote

 Hi  Srinivas,
 I  think  for  a  DBS  to  work  right  the  sand  bed  needs  to  be  about  5  inches  deep.  The  flow  in  the  refugium  dont  have  to  be  real  high.  It  is  good  for  some  detrus  to  enter  into  the  refugium  for  all  the  pods  and  worms  to  feed  on.  Also  rinse  the  sponge  good  every  week  or  it  will  become  a  nitrite  factory.  Yes,  clean  up  crew  is  good  to  have  cause  they  help  in  removing  the  uneaten  food  and  algaes  that  dont'  pass  thru  your  overflow.
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sid
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PostPosted: Wed Sep 01, 2010 2:09 am Post subject: Re: remote DSB - advice solicited Reply with quote

 Flow  in  the  fuge  doesn't  really  matter  in  my  opinion.
 the  amount  of  sand  is  up  to  you.  but  ideally  it  should  more  than  2  inches.
 it's  not  really  big  enough  to  be  a  fuge.
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GatorX
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PostPosted: Wed Sep 01, 2010 3:00 am Post subject: Re: remote DSB - advice solicited Reply with quote

 What  do  you  have  in  your  DT..  ?
 
 The  easiest  way  of  removing  the  sand  without  any  problems  is  to  siphon  it  out,  but  let  the  RDSB  run  for  a  week  or  2  before  you  remove  the  crushed  coral..
 
 I  would  suggest  you  go  for  a  nice  4-5"  layer,  it  doesn't  have  to  be  expensive  live  sand,  you  can  use  the  crushed  coral(just  smash  it  to  smaller  bits)  and  use  it..
 
 As  for  flow,  i  think  the  overflow  should  provide  enough  water  movement.
 
 You  can  add  a  clean  up  crew  to  the  dsb,  (a  few  turbo  snails  and  maybe  a  nassarius  snail)
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Gulls
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PostPosted: Wed Sep 01, 2010 11:53 am Post subject: Re: remote DSB - advice solicited Reply with quote

 Great
 
 So  the  sand  bed  needs  to  be  raised.
 Flow  not  too  vital
 clean  up  crew  is  good  to  have  
 
 Can  arrange  all  of  the  above..  except..
 Increase   the  size  of  the  fuge   Crying or Very sad  
 
 had  heard  of  hang  on  refuiguims  much  smaller  that  the  one  I  have.  So  decided  to  give  it  a  shot.
 Know  that  it  not  the  best  fit,  but  wouldn't  hurt  to  try...
 
 Any  specific  need  for  lighting  for  the  fuge.  Currently  on  with  1  CFL  13W  on  reverse  period.
 
 Currently..  the  fuge  is  only  with  2.5"  of  sand  and  a  piece  of  LR.  Would  be  adding  the  required  soon.
 
 Have  no  place  for  a  sump.  Somehow  managed  to  insert  the   fuge  in  the  stand.
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GatorX
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PostPosted: Wed Sep 01, 2010 12:01 pm Post subject: Re: remote DSB - advice solicited Reply with quote

 Size  and  lighting  is  good,  only  increase  the  height  of  the  sand  bed...
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