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Search took 0.02 seconds. Search: Posts Made By: a4twenty
Forum: Advanced Topics 12/10/2007, 02:14 PM
Replies: 537
Views: 156,012
Posted By a4twenty
i agree completely and i think if we go back to...

i agree completely and i think if we go back to the start of the thread this is definitely explained.


this is not a 5G miracle and the amount of denitrification is directly related to the size...
Forum: Advanced Topics 12/10/2007, 08:38 AM
Replies: 537
Views: 156,012
Posted By a4twenty
do you think that DSB's are a pipe dream too or...

do you think that DSB's are a pipe dream too or just if they are installed remotely?
Forum: Advanced Topics 06/10/2007, 07:33 AM
Replies: 537
Views: 156,012
Posted By a4twenty
i used sugar fine oolite and have no complaints.

i used sugar fine oolite and have no complaints.
Forum: Advanced Topics 04/26/2007, 06:09 AM
Replies: 537
Views: 156,012
Posted By a4twenty
depending on how old your DSB is, i think you...

depending on how old your DSB is, i think you would be best leaving it alone. IMO stirring it up may only worsen the problem at this point.
Forum: Advanced Topics 04/13/2007, 11:28 AM
Replies: 537
Views: 156,012
Posted By a4twenty
$4.05 for shipping a skimmer? doesn't sound...

$4.05 for shipping a skimmer? doesn't sound right .
Forum: Advanced Topics 03/06/2007, 03:47 PM
Replies: 537
Views: 156,012
Posted By a4twenty
when a DSB start going bad there is a strong...

when a DSB start going bad there is a strong sulphur / rotten egg smell that occurs before the big crash. so there is time to remove the RDSB form the loop before it crashes, as long as you catch...
Forum: Advanced Topics 03/06/2007, 07:58 AM
Replies: 537
Views: 156,012
Posted By a4twenty
this is the best part of RDSB. IF you have any...

this is the best part of RDSB. IF you have any problems you just disconnect it. i stick my nose in the bucket every week or so, any smell and i would just shut the valve and remove it from the...
Forum: Advanced Topics 02/02/2007, 11:49 PM
Replies: 537
Views: 156,012
Posted By a4twenty
if your having an algae out break and your chaeto...

if your having an algae out break and your chaeto is growing then there are nitrates present. they aren't showing up on the test because the algae is using them up. adding a RDSB may be the...
Forum: Advanced Topics 01/20/2007, 07:37 AM
Replies: 537
Views: 156,012
Posted By a4twenty
on top of that wouldn't you need light for the...

on top of that wouldn't you need light for the sea grass to grow? i think it is very important to keep light out of your RDSB to avoid algae growth. since i've added my RDSB ( almost a year now ) i...
Forum: Advanced Topics 12/26/2006, 12:23 PM
Replies: 537
Views: 156,012
Posted By a4twenty
i don't understand why you want to feed the...

i don't understand why you want to feed the bacteria? the idea is to have the bacteria feed on the nitrogen / nitrates, so wouldn't feeding it be counter productive?
Forum: Advanced Topics 12/24/2006, 07:18 PM
Replies: 537
Views: 156,012
Posted By a4twenty
errrr, i don't want to take mine offline. when i...

errrr, i don't want to take mine offline. when i set mine up i always had 20ppm nitrates. for months i did regular water changes but never got it below 15ppm ( right after change ). when i...
Forum: Advanced Topics 12/18/2006, 08:55 PM
Replies: 537
Views: 156,012
Posted By a4twenty
i'm not sure why you would want to 'feed' carbon?...

i'm not sure why you would want to 'feed' carbon? i may have missed something here? but i'm with tekcat how do you stop the air?
Forum: Advanced Topics 12/15/2006, 04:03 PM
Replies: 537
Views: 156,012
Posted By a4twenty
Re: Flow through rectangular RDSB

i would have to say yes, the longer the dwell time the more denitrification can take place. the reason we use more flow is to prevent any fall out from the water.
Forum: Advanced Topics 12/10/2006, 10:42 AM
Replies: 537
Views: 156,012
Posted By a4twenty
but that is what i'm saying. a scoop of sand from...

but that is what i'm saying. a scoop of sand from a tank will contain aerobic bacteria ( unless taken from another RDSB ). i agree that putting that sand under 6" of fresh sand will only starve that...
Forum: Advanced Topics 12/10/2006, 12:17 AM
Replies: 537
Views: 156,012
Posted By a4twenty
hmmmm, did i miss something? i thought there was...

hmmmm, did i miss something? i thought there was no point in using live sand in a RDSB. something about wrong type of bacteria ............ guess i'll have to back track and see if i missed...
Forum: Advanced Topics 12/05/2006, 01:07 PM
Replies: 537
Views: 156,012
Posted By a4twenty
i should add that my results definitely are not...

i should add that my results definitely are not due to the RDSB alone, i also

do 40g water changes monthly ( or (2) 20g )
have 20g refugium with chaeto
and i skim like mad

it's the...
Forum: Advanced Topics 12/03/2006, 03:05 PM
Replies: 537
Views: 156,012
Posted By a4twenty
yep, 5 gallon pail with 60lbs oolite aragamax...

yep, 5 gallon pail with 60lbs oolite aragamax sand.
Forum: Advanced Topics 12/02/2006, 12:46 PM
Replies: 537
Views: 156,012
Posted By a4twenty
i haven't checked this thread for a while, i'm...

i haven't checked this thread for a while, i'm glad it's still going.

my RDSB has been running for 8 months, i have doubled my bio load and i am still reading 0. i actually had a spike of about 1...
Showing results 1 to 18 of 18

 
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