water pumps

Hello there, I replaced my new pump (Danner Supreme Aqua-Mag 18 Water Pump – 1800 GPH) inside my sump, now my skimmer not skimming and not creating foam as normally do. It is 5 days now. Can someone tell me what the issue may be and how can I get my skimmer work normally. Please help. Thanks

Working on 40 breeder reef with 20g sump but i've ran into trouble. What water pump should I get??? I see everyone using LARGE pumps that cost A LOT of money.... I've always used ecoplus in my freshwater aquariums.. Is there a reason why everyone uses the large expensive pumps? Thanks in advance

I have a 55 gallon tank with 1 koralia 1050 pump on the left side... I am looking to get another pump to put on the right side (opposing circulation, deadspot elimination, etc.). I am curious as to whether I need another koralia 1050 or if I can go smaller (550 or 750)... Opinions? Thanks.

I am setting up a new 46 gallon bowfront. I would like to run a closed loop system as well as a sump return. If anyone has either internal pumps or external pumps around 900 to 1200 gph used I would love to take them off your hands. Would like to have pumps before drilling the tank! Thanks

So I am taking two dives at once. I love fish tanks and have had mixed sucess with many failures. I currently have 3 tanks a FOWLR 75 gal. 20 gallon sump. I have two freshwater tanks both 55 gal. One mixed community and one African Cichlid. So I am diving in as a Reefer on my next aquarium...

Ok so here's the deal I'm getting a new tank that is already pre drilled. I have never ran a sump system before in a tank so im lost at how all this stuff works. First i need two pumps.. One for the main overflow and a second for a closed loop system. Not even getting into any of the specifics...

Ok, so I have a Current Chiller. Besides the front dust panel needing to be monitored for clogged airway, I really don't know what I should expect. First, it is a little confusing why it won't engage until the temperature is 2 degrees beyond the preset. Secondly, I suspect it runs longer than it...

I have been running a Little Giant 4-MDQX-SC as my return pump on my 180 gallon now for the past four years. The pump is noticably starting to fail and I need to replace it before it totally goes. The dimentions are 5.5 x 5.5 x 11" and the new pump has to fit in this space and be equivalant to...

I currently have a 65 gallon tank but want to upgrade to a 180 gallon tank. I am asking for general information. I hate talking to the people at the stores because I get so much variation of information. I want to know what size heater, water pump, skimmer, and any advice on how to build my bio...

what is the best water pumps out there to use for changing water..i used the cheap ones like rio and via aqua and they only last for a weeks...thanks guys.....

Hi, I've decided to get out of the hobby. Here's the stuff I have for sale: ( I live near Reading, Pa) LIGHTING Custom Sea Life Smartllite. It's a black Light Strip with one 65 w PC bulb (Daylight & Actinic). It's 24"long and is in an unopened box.-$45 Same thing in a 30". Used for a very...