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Lowest cost way to eliminate green hair, bubble & turf
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SantaMonica
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PostPosted: Mon Dec 01, 2014 10:16 am Post subject: Re: Lowest cost way to eliminate green hair, bubble & tu Reply with quote

 Scrubbers  compared  to  refugiums
 
 If  you  are  starting  a  new  tank,  then  the  obvious  difference  is  that  a  scrubber  gives  you  the  option  of  not  having  a  fuge  at  all  because  an  upflow  scrubber  can  be  placed  on  top  of,  in,  or  behind,  the  display.  There  are  other  uses  for  a  sump/fuge  of  course,  but  we'll  only  cover  the  filtration  concerns  here.
 
 A  not-so-obvious  difference  is  that  a  scrubber,  if  run  together  with  a  fuge  with  macros,  will  kill  the  macros  even  though  the  macros  are  much  larger.  This  is  because  the  scrubber  thinks  the  macros  are  nuisance  algae.  Some  people  do  run  both  together  without  killing  the  macros,  but  this  is  just  because  their  scrubber  is  not  strong  enough,  and  actually  the  macros  might  even  be  slowing  down  the  scrubber  because  the  scrubber  thinks  it  has  to  remove  the  macros,  along  with  the  nutrients  in  the  water  and  the  nuisance  algae  in  the  display.  However  if  this  works  for  them,  good.  
 
 But  assuming  you  have  to  decide  on  either  a  sump/fuge  or  a  scrubber  (not  both)...
 
 o  Filtration  with  algae  is  proportional  photosynthesis,  which  is  proportional  to  Light  X  Air  Water  Turbulence  Flow  X  Attachment.  Meaning,  stronger  light  grows  more  algae;  stronger  air/water  interface  turbulence  grows  more  algae;  and  stronger  attachment  lets  more  algae  grow  without  it  detaching  and  floating  away.  A  scrubber  is  thus  designed  to  maximize  Light,  Flow,  and  Attachment.
 
 o  The  main  problem  with  macros  in  a  refugium  is  the  self-shading  that  the  macros  do.  Any  part  of  the  macro  which  is  not  directly  in  front  of  the  light  at  any  moment  is  not  filtering.  And  any  macro  inside  of  a  "ball"  of  macro  (like  chaeto)  is  self-shaded  all  the  time.  Only  the  surface  macro  that  is  directly  in  front  of  the  light  is  doing  any  real  filtering.  A  scrubber  is  designed  to  have  all  the  algae  in  front  of  the  light  at  all  times.  Rotating  the  macro  does  not  solve  the  problem,  because  the  time  that  the  macro  is  rotated  away  from  the  light  is  time  that  the  macro  is  not  filtering.  This  is  why  it  takes  a  much  larger  size  of  chaeto  to  do  the  same  filtering  as  a  scrubber.
 
 o  Self-flow-blocking  is  another  problem  of  macros  in  a  refugium,  for  the  same  reason  as  light-blocking.  And  the  thicker  the  "ball"  of  macro,  the  worse  the  flow-blocking.  
 
 o  Particle  trapping  is  another  result  of  a  ball  of  macro.  These  particles  need  to  cycle  back  around  to  feed  the  corals,  but  instead  they  get  trapped  in  the  macro  and  they  rot,  and  in  doing  so  they  block  even  more  flow  and  light.
 
 o  With  a  scrubber,  there  is  very  little  water  standing  in  the  way  of  the  light.  Also,  the  light  is  (or  should  be)  very  close  to  the  scrubber...  4  inches  (10cm)  or  less.  The  power  of  light  varies  with  the  inverse  square  of  the  distance,  so  going  from  8"  to  4"  actually  gives  you  4X  the  power,  not  2X.  And  the  nutrient  removal  power  of  algae  is  proportional  to  the  power  of  the  light,  because  it's  the  photosynthesis  that  is  doing  the  filtering.
 
 o  Rapid  flow  across  the  algae  in  a  scrubber  gives  more  delivery  of  nutrients,  compared  to  the  slow  moving  water  in  a  fuge.  Filtering  is  proportion  to  nutrient  flow.
 
 o  The  turbulence  of  water  moving  over  the  sections  of  algae  in  a  scrubber  help  to  remove  the  boundary  layer  of  water  around  the  algae.  This  boundary  layer  slows  the  transfer  of  metabolites  in  and  out  of  the  algae.  There  is  no  turbulence  in  a  fuge  (if  there  were,  you'd  have  waves  and  bubbles).  The  interface  between  the  air  and  water  is  what  provides  the  most  turbulence  and  boundary  layer  removal;  there  is  no  air/water  interface  in  macros.
 
 o  Scrubbers  do  not  let  food  particles  settle  like  a  refugium  does;  most  particles  flow  right  out  of  the  scrubber.
 
 o  Scrubbers  do  not  (if  cleaned  properly)  release  algal  strands  into  display,  like  chaeto  does.
 
 o  Scrubbers  do  not  go  sexual,  like  caulerpa  can.
 
 o  Scrubbers  do  grow  lots  of  pods;  more  than  was  previously  thought,  especially  if  not  cleaned  with  freshwater.
 
 o  Scrubber  don't,  obviously,  provide  a  place  for  snails  and  crabs,  etc.
 
 However,  if  you  already  have  a  sump  with  an  empty  compartment,  and  you  don't  mind  using  all  of  it  and  putting  a  light  over  it,  then  maybe  it's  easier  and  cheaper  to  try  macros  first.
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SantaMonica
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PostPosted: Thu Sep 03, 2015 9:42 am Post subject: Re: Lowest cost way to eliminate green hair, bubble & tu Reply with quote

 Cleaning  Off  Slime  On  New  Scrubbers
 
 When  scrubbers  are  new,  they  will  almost  always  first  develop  a  slimey  first  layer  of  growth.  This  is  because  diatoms  and  dino's,  which  make  up  most  of  the  slime,  are  the  quickest  to  be  able  to  "colonize"  a  new  surface,  sort  of  like  weeds  in  a  new  garden.  
 
 This  slime  layer  will  not  get  any  thicker,  however,  because  slime  cannot  attach  well  (it  has  no  "roots")  to  the  growth  surfaces  of  the  scrubber,  and  thus  will  get  washed  away  when  it  gets  thick,  Also,  it  prevents  green  hair  algae  from  attaching  because  of  the  slippery  texture  of  the  slime.
 
 So  when  your  scrubber  is  new,  be  sure  to  take  it  to  the  sink  and  use  a  toothbrush  to  clean  all  the  slime  off  of  the  growth  surfaces  so  you  can  see  all  white  surfaces  again.  You  could  clean  it  while  still  in  your  tank  if  you  don't  mind  the  slime  particles  floating  around,  but  most  people  would  probably  do  better  to  take  it  to  the  sink  (or  outside;  slime  makes  great  fertilizer).  Slime,  especially  when  dark  or  black,  is  also  an  indicator  that  you  can  use  more  watts  or  hours  of  light.  
 
 Once  you  have  cleaned  off  the  slime  for  one  or  more  growth  periods,  you  should  start  seeing  green  hair  algae  take  hold.
 
 
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SantaMonica
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PostPosted: Thu Jan 28, 2016 8:04 am Post subject: Re: Lowest cost way to eliminate green hair, bubble & tu Reply with quote

 PowerPoint  presentation  for  clubs,  schools,  etc.,  to  learn  the  basics  of  scrubbers:
 
 http://www.algaescrubber.net/AlgaeScrubbers.pps
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josyjames
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PostPosted: Thu Jan 28, 2016 11:23 am Post subject: Re: Lowest cost way to eliminate green hair, bubble & tu Reply with quote

 Can  I  use  an  ATS  and  macro  algae  in  the  sump  together?
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PostPosted: Fri Jan 29, 2016 10:31 am Post subject: Re: Lowest cost way to eliminate green hair, bubble & tu Reply with quote

 Yes,  for  a  while.  But  if  your  scrubber  is  strong  enough,  it's  going  to  start  thinking  that  your  macros  are  nuisance  algae,  and  is  going  to  take  nutrients  away  from  them.  
 
 So,  once  a  scrubber  is  working,  you  can  start  removing  your  macros.  Unless,  you  want  them  for  more  pods.  In  that  case  just  use  a  smaller  scrubber  (or  reduce  the  lighting  of  it).
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PostPosted: Sun Sep 18, 2016 3:06 am Post subject: Re: Lowest cost way to eliminate green hair, bubble & tu Reply with quote

 Here  are  some  scrubber  results  I  collected:
 
 "[Scrubber]  is  working  incredible  well.  Went  from  constant  algae  outbreaks  (3-4  per  year),  to  no  algae  at  all.  10  your  old  250  gal  reef  tank,  started  developing  blooms  at  year  7.  Nothing  else  worked,  even  breakdown  and  rebuilds."  --  Joe  Lopez
 
 "I  recent  removed  bio-pellets,  GFO,  and  trimmed  off  a  lot  of  macro  algae.  Oh  yeah,  overfeeding  now  to  try  and  bring  up  my  phosphates.  Since  removing  a  bunch  of  nutrient  exporting  systems  like  bio-pellets,  GFO,  and  a  second  algae  scrubber,  my  [scrubber]  has  been  growing  nuts.  It's  been  less  then  7  days  and  I  have  to  remove  more.  People  are  surprised  when  I  open  up  the  [scrubber]  and  show  them  what  I  pull  out  with  one  hand"  --  ReeferEric  on  the  R2R  site.  pics:
 
 
 
 
 
 "I  pull  a  handful  out  every  week"  --  Choff  on  the  R2R  site.
 
 "Everything  is  working  great,  got  two  of  them  on  my  system"  --  Kenneth  Salomon
 
 Dan  Budz:
 
 
 
 
 
 
 "The  [scrubber]  is  working  well"  --  JT  Powell
 
 "All  I  can  say  about  the  [scrubber]  is  WoW.  It  completely  wiped  out  my  severe  case  of  Cyano  Bacteria  in  4  weeks,  it  is  working  like  a  champ.  I  was  a  little  skeptical  that  it  would  work  at  first  because  it's  very  compact,  but  I  am  completely  amazed  on  how  great  it's  working."  --  John  Quezada
 
 "My  [scrubber]  is  working  great"  --  Stefan  Kolev
 
 "Happy  to  report  that  the  [scrubber]  is  growing  lots  of  hair  algae"  --  Kidtango  on  the  R2R  site
 
 "[Scrubber]  is  growing  thick  and  fast"  --  Carl  Knowles
 
 "Boom...  7  days  growth  from  my  [scrubber]"  --  rdevoe11,  pic:
 
 
 
 
 
 Other  pics:
 
 Matthew  Coulthard:
 
 
 
 
 Nicolay  Oganesian:
 
 
 
 
 Yuppy  Suhandinata:
 
 
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PostPosted: Thu Jun 28, 2018 9:57 am Post subject: Re: Lowest cost way to eliminate green hair, bubble & tu Reply with quote

 [choose  version]
 
 
 
 Here  are  some  upflow  layout  designs  to  give  you  ideas  of  what  might  fit  your  tank  or  ability  to  DIY  better:
 
 
 
 Simple  upflow  screen:
 http://www.algaescrubber.net/Post1.jpg
 
 Attach  to  glass:
 http://www.algaescrubber.net/Post2.jpg
 
 Bubble  remover:
 http://www.algaescrubber.net/Post3.jpg
 
 Attach  to  glass,  with  compartment:
 http://www.algaescrubber.net/Post4.jpg
 
 Attach  to  glass,  small:
 http://www.algaescrubber.net/Post5.jpg
 
 Hang  on  back:
 http://www.algaescrubber.net/P6.jpg
 
 Collector:
 http://www.algaescrubber.net/P7.jpg
 
 Floating:
 http://www.algaescrubber.net/P7.jpg
 
 
 
 
 
 
 Simple  upflow  screen:
   
 
 
 Attach  to  glass:
 
 
 
 Bubble  remover:
 
 
 
 Attach  to  glass,  with  compartment:
 
 
 
 Attach  to  glass,  small:
 
 
 
 Hang  on  back:
 
 
 
 Collector:
 
 
 
 Floating:
 
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