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Hang On Back (HOB)

Mar 07 (17 days ago)
1/2 inch tubing from classic 90 skimmer
Why does the classic 90 skimmer come with an extra appx 1/2 inch diameter tubing and extra valve (e2)? I dont see anywhere on the instructions about there use and do not want to miss adding it somewhe...
Feb 26 (27 days ago)
Skimmer not working propwrly
I cannot access the diagram. I cannot open the pdf. Please advise. Also, what about that second airline tubimg. Do i need that ? Hi, I recently purchased a classic 1000-hob skimmer online...
Feb 21 (31 days ago)
Classic 2000 hob
I have tons of micro bubbles making the tank look cloudy I have tried adjusting the air valve, sponges, everything nothing seems to help Are you running activated carbon? Have you used any chemicals...
Feb 18 (34 days ago)
BH-2000 Air in Intake
I have a new BH-2000 and unless I lower the intake so that the entire thing is under water it seems to keep sucking in air. If I try to set it up to "skim" the top of the water like I think it should,...
Feb 18 (35 days ago)
Leaking around the collection cup and the cup very hard to remove
Lately I have a problem with it leaking water around the collection cup. I have a hob 1000. I tried to get the o ring gasket to seal and water continues to dribble out around the sides. Went to work a...
Feb 12 (40 days ago)
Classic 90 HOB Skimmer
You cannot do that unfortunately. If you extend the inlet, the pump will not have enough power to move water in and out of the skimmer especially if you loose power. The HOB skimmers are not designed...
Feb 04 (49 days ago)
HOB BH 100 over skimming
Hi, I have a 28 gallon salt water tank that was filled with red slime so I put some Chemi-Clean in the tank to get rid of the red slime. The red slime is gone and I did a 7 gallon water change twice,...
Jan 16 (2 months ago)
100 hob protein skimmer
My surface degreaser is only partially under water, is this normal?
Jan 16 (2 months ago)
Classic 100-HOB
Do I need to fill the skimmer with water before running it? Not necessary but we do recommend you do that just to make sure the skimmer body is installed correctly and help the pump get started.
Dec 31 (2 months ago)
Classic HOB-1000
Can anybody tell me what the water volume of this skimmer is when it is full and running? Thanks in advance. Never had that question before. Unfortunately we do not have that information as it has ne...
Dec 21 (3 months ago)
Yes, I am sorry about it that it does not work on freshwater but the wording on the website does not say freshwater anywhere. Also, if you google you will not find a single company selling a protein ...
Nov 21 (4 months ago)
Classic 100-HOB
Just make sure that the cup is at the highest point and as with all HOB skimmers, you need to check the cup everyday and if it is full, empty it out. The skimmer will not stop running when the cup is...
Sep 26 (5 months ago)
http://blog.coralvue.com/download/7137/ Using the following assembly chart, which o-ring are you looking for? How can I just buy the o rings I need? Q x 2 and S x1 S o-rings are already integrated int...
Sep 20 (6 months ago)
Bubble Blaster HY-3000s Skimmer Pump
Thank you. I will try that thanks for reaching out and responding I took the time to submitted a ticket 4 times online trying to get help with my pump. It never worked and never went through. I'd pres...
Sep 12 (6 months ago)
K1 Nano Skimmer
TheK1 nano will not fit...with the holding bracket on the skimmer it will be wider than 4" however the Reef Octopus NS80 nano skimmer will fit perfectly. https://www.coralvue.com/reef-octopus-ns-80-...
Sep 08 (6 months ago)
HOB-100 skimmer water level issue fix
Hello everyone, If your having issues with the water level in the second chamber going to high or overflowing just remove the sponge twords the bottom of the drain pipe. I could not figure out why the...
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Aug 31 (6 months ago)
No owner's manual or installation booklet.....
Hello Carlos: Thank you for the link to the video, I appreciate it. I really was expecting that an owner's manual would be included in the kit, I like to have the directions and the trouble shooting s...
Aug 10 (7 months ago)
Reef Octopus BH-50 INT Nano protein skimmer
Hi on the Reef Octopus BH-50 INT Nano protein skimmer how thick of a rim will this skimmer accommodate? My tank is a rimmed tank, I have no sump so I would have to use this as a hang on back skimmer. ...
Jun 29 (8 months ago)
Cracked collection cup
I just brought the Classic 100-HOB hang on protection skimmer and when I took it out the book the collection cup was cracked I was told I needed to call you guys but can’t find a phone number. I just ...
Jun 18 (9 months ago)
HOB 1000
Good evening, I purchached the hob 1000 about 6 months ago, and I'm having a issue with the skimmer producing skimmate. I have the the cup in the lowest setting possible and I could go 2 months (o...