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Recirculating (External)

Mar 13 (7 days ago)
size of o-ring for input of SRO-5000 external
I tore down and am rebuilding my system and have everything except I cannot for the life of me find the o-ring for the 'union' that connects the 1" barb to the input of the skimmer. I was going to tr...
Mar 12 (8 days ago)
Output for SRO-5000ext
Does the output of the SRO-5000ext have to gravity drain or can I go up and over the edge of the sump that is sitting next to it? Gravity drain only.
Jan 05 (2 months ago)
Skimmer tubing/parts
I have a DNW-200-6540 skimmer that I recently bought used. I'm needing to get info on the tubing that i'll need to get it back up and running. I need the sizes or part numbers for the the inlet to the...
Dec 04 (3 months ago)
Adapters for 150ext
The diagram does not show what the adapters are for. Is there an actualy owners manual for this thing? My unit was a display at an LFS so it did not come in a box or with instructions. If you are re...
Nov 13 (4 months ago)
Reef Octopus 150ext
In the directions it says that if the output does not clear the sump wall that I have to drill a bulkhead. Is there a reason I can't use an longer piece of pipe to raise it over my sump wall instead?
Oct 28 (4 months ago)
dnwb ext pump
I Need A Plumbing kit to upgrade the old Reef Octopus DNWB-200 with the OTP 3000GT to an Bubble Blaster 3000s I just got the bubble blaster shipped to me was told that it would fit? The inlet is bigg...
Jul 17 (8 months ago)
Bubble Blaster HY 2000s failing after a 1 month
Really not happy. You don't pay over $600 for a piece of equipment and expect it to fail after a month. The motor doesn't sound like it's running normal and it is not producing bubbles anymore. 6 week...
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Jul 07 (8 months ago)
Reef Octopus 110 external Skimmer
I never received an operating manual with my purchase of my skimmer. Just installation instructions which I followed. However I am having a difficulty tuning it correctly. Can anyone provide me with s...
May 31 (9 months ago)
NW-150 manual and parts
I am looking to purchase a used NW-150 Skimmer but would like to look at a manual and check replacement part availability and cost first.
Apr 12 (11 months ago)
Regal 300 EXT Protein Skimmer vs Regal 300INT
I see these two skimmers both say they are rated for 700 gallons. What is the big difference between the two, and why is the external one so much more expensive? They both have the same size body and...
Mar 06, 2017
RDCS-200EXT Neck Extension
witch extension will fit my skimmer Diablo RDCS-200EXT, and what Impeller will fit my skimmer pump RO-DC 5500S pin wheel I am not sure what you mean by extension. Can you please elaborate? In terms...
Feb 13, 2017
Connecting Regal 300ext to a VarioS-6 Pump
Good Afternoon, I am purchasing a Regal 300ext and a VarioS-6 pump to feed it. The question I have is what will I need to purchase along with them in order to get this all set up? I live about an hou...
Feb 08, 2017
Regal 250 EXT
When plumbing the Gate Valve, I would guess placing the parts in there respective position per chart is important. My question: how do I get the pipe into the sump. Can I use elbows to take it up an...
Jan 20, 2017
I recently purchase a rdcs-250 ext and a rdcs-200ext I'm having a problem with the 250ext not creating enough to bubbles (slim to none) it's been running 48 hours now. Still no signs of improvement. T...
Jan 17, 2017
regal 300 ext octo varioS series skimmer
Hi I have just purchased regal 300 ext octo varioS series skimmer there is problem I facing with skimmer pump air intake 1.its taking water from the air suction pipe (white one) So no foam is produced...
Nov 29, 2016
i have a dnw 200 protein skimmer . the pump will only start without water in the skimmer. could it be fix and how? Did you try taking the pump apart and inspecting the impeller to ensure that the magn...
Nov 21, 2016
diablo dcrs 200 ext protein skimmer
how can i adapt the new controlable skimmer pump to meet the skimmer body i purchased a RO-DC-3500s pump and ordered an adaptor from you but the pump outlets dot line up with the ones on the skimmer? ...
Nov 01, 2016
Skimmer Octopus similar al Hurricane 1500 se desborda al volver la energia despues de un corte
Hola a todos, hace mucho que no pasaba por el foro. Una consulta, tengo un skimmer externo es igaul al octopus Hurricane 1500 no se el modelo real, es uno que trae una sola bomba OTP3000. La consulta ...
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Oct 27, 2016
CO2 filter attachment pre-silencer for SRO_EXT 6000
What is the best way to adapt the air intake silencer to accept a flexible pipe from a CO2 filter? Is there an adapter / part already made to take the metric fitting to a hose barb or similar? (My t...
Jul 27, 2016
RO Regal 250EXT
What height should the water be in the neck of the collection cup for perfect operation? Here is a short article that explains how to properly dial in your skimmer... http://coralvue.com/support/3175...