Questions tagged [filters]

Filtration systems for aquariums and ponds. Issues relating to man-made of natural filtration.

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1answer
27 views

How is GFO reactor better than PhosBan medium in the filter?

I have a cyanobacteria problem. I am using PhosBan/Phosguard as a filter medium and it doesn't really work that well, shall I worry of getting a GFO reactor or am I good with how it is? How would GFO ...
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2answers
390 views

How do I fix BAD betta fin tearing?

I’ve had my betta for a month now and hes been PERFECT!! I just looked at him now and saw that his tail is SHREDDED!! I realized that he had been glaring at the filter in the back and KNEW that he’d ...
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1answer
68 views

Why does my nitrate level always read 0?

I have the following tanks: 5 gallon, 2 months old - housed betta and shrimp 10 gallon, 2 weeks old - used established media to seed aquarium alongside cycle and beneficial bacteria 3.5 gallon - ...
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1answer
76 views

Is a carbon or cartridge filter necessary in an aquarium with a simple biofilter?

I'm trying to setup my first aquarium, and in the process I've been reading all about the nitrogen cycle and properly cycling a tank to ensure there's bacteria present to work on the ammonia and ...
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0answers
44 views

Starting up a canister filter that has been off for a while

We prepared an Eheim canister about a week ago and had also put some tank water in it but, because of a series of setbacks, we haven't been able to start the filter in our new tank. We are still not ...
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2answers
155 views

Juwel Filter Pump Too High?

We have a Juwel Lido 200. The black filter box was on the right side of the aquarium; but we wanted to move it so we removed the silicone and re-siliconed it on the left-side of the aquarium instead. ...
2
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1answer
58 views

Noisy canister not pumping

I've had this Sunsun 304b canister for a few years now. It was very quiet originally but in the last few years has gotten noisy. And then two weeks ago it stopped pumping suddenly making a loud ...
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0answers
730 views

Why do fluidized sand filters need a prefilter?

When talking fresh water fish tanks, why do people recommend that fluidized sand filters have a prefilter like a sponge? Assume there is a separate system for removing solid waste from the tank, like ...
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1answer
66 views

What is the correct order of elements in Haqos EX1500 External Aquarium Filter

After looking at some youtubes, and investigating this filter, I think that some info on the web is either incorrect or simply unsuitable to the HAQOS EX 1500 External Canister Filter.
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2answers
592 views

Why is a biological denitrification filter considered cheap to build and operate?

I found more than one (old) websites (in German) (http://www.teichratgeber.de/wodkafilter_bau01.html and http://www.ohligers.de/Nitratfilter1.htm and there're probably more) which consider a ...
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0answers
105 views

Create air intake from submerged water pump…?

I'm setting up a wet / dry aquarium filter and I'd like to handle both the water return and the protein skimming (foam generation) with only 1 submerged power head, a situation consisting of 1 ...
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4answers
6k views

How many grams of ceramic rings do I need in my filter

I'm using ceramic rings as filter media for biological filtration. For a given aquarium size how many grams of the ceramic filter media do I need? The packet doesn't have sizing instructions. I also ...
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1answer
793 views

Aquarium Filter… What's the order?

Yesterday I bought a filter (top filter): a Sea Star HX-1480G, with F.Max is 2800L/H (which i means that it moves 2800 Litter of water per hour). I installed 1 layer of a polyfiber pad at the bottom,...
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4answers
1k views

How to upgrade fish to a much larger aquarium

I currently have a 15gal tank fully cycled. The tank is stock on the heavy side of thing and I purchase a larger tank (75gal) for another project I will not be doing finally. So I will use the larger ...
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1answer
562 views

When is (more) aquarium bio-filtration overkill?

I have a 75 gallon freshwater aquarium with a pretty heavy fish load (7 giant fist-sized+ blood parrots). But I also have a giant Eheim 1200XLT canister filter running with gallons of various bio ...
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1answer
522 views

Does Juwel Cirax (ceramic biological filters) affect PH in the aquarium

Currently the water in my aquarium is having a higher PH than I want. What I wonder is if the Cirax filter (and in general biologigal ceramic filters) affects the PH value (by increasing it)? Or if it ...
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2answers
79 views

Better solution for holding appliances inside the aquarium?

We've all seen these devices. They're the suction-cup clamps used to affix heaters, filter intakes, tubing, and other appliances inside the aquarium. But the suction cups quickly deteriorate and no ...
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1answer
2k views

Why should I replace my filter media?

When I search the internet about this question there are many different opinion about the right interval to change filtration media in a regular freshwater tank. On the packaging of different media ...
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1answer
3k views

How long to wait before I remove the old filter

I have recently purchased a sponge filter just like this one. I added it to my tank when it arrived home about a week ago. My tank has been running for over 4 month now. The tank has been stocked for ...
3
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1answer
3k views

Black goldfish with its fin clamped down

We have two small fish in our tank, they seemed very happy until about a week ago. They both became fairly inactive and had their dorsal fins clamped down against their backs. We thought it might be ...
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2answers
5k views

Aquarium overflow vs bottom of tank intake

Wouldn't something that sucks out detritus from the bottom be better than something that can only pull floating stuff? Reasoning: A wet/dry filter will usually feature an overflow, whereas other ...
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1answer
2k views

How can I reduce my need to do a water change on my turtle's habitat?

Hello turtles masters :) I have 20cm (shield) turtle in 70L of water in aquarium. As a filter I use Repti Clear F350 (276L/hour 6W). I also use ReptoFresh and ReptoSafe. Problem: Even I clean the ...
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3answers
26k views

How long can an aquarium remain without any filter and heating?

The filter and the heating of my aquarium do not work anymore. After trying to solve the problem I've concluded that the only way to solve the problem is to buy a new filter and a new heating. Can my ...
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1answer
2k views

How well does an internal filter keep water oxygenated?

I'd like to use Tom's Internal Filter which is an internal multistage filter, but I'm not sure if I'll get any oxygenation. Background: I now have a three gallon tank and I'm trying to figure out ...
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1answer
325 views

What remaining equipment do I need for a marine aquarium? [closed]

I want to convert my soft water aquarium into marin aquarium, but before I do that I want to make sure I have all the required equipments and few critical equipments in spare as well. I already have ...
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2answers
7k views

Can I run Undergravel Filter in Reverse to Keep the Gravel Clean?

I current have a 75 gallon, unplanted aquarium in which I have NO gravel at all. I removed the gravel years ago because I liked the clean look… and not having to vacuuming the gravel to remove ...
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3answers
2k views

Under gravel or sand filter for aquarium

Is it better to have an under gravel filter than the traditional out of water filter that sits on top of the aquarium? I keep an air hose on during the day that blows bubbles and have live plants. ...
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2answers
22k views

Is it safe to move fish and all equipment to a new tank?

I currently have a 10 gallon tank with the following fish: 1 Male Dwarf Guarami 6 Glowlight tetras (4 female and 2 male) Here's my current setup: "Aqueon 10" filter (labeled as being appropriate ...
6
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1answer
260 views

What is a “sump” when talking about aquariums?

I always thought that sumps were a part of the basement where water that seeps into the basement collects. We would have to use a "sump pump" to make sure that the basement didn't flood during/after ...
5
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1answer
95 views

Filtration of smaller ponds

I've asked some questions about my goldfish What indicates whether my outdoor goldfish are healthy or ill? and noticed a lot of response referring to the likelihood that fish would survive in such an ...
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1answer
3k views

Do I need a bubbler in my aquarium?

I have an aquarium of 280 liters (~ 74 gallons). I use an external filter, so the water returns to it like a small waterfall. Do I need a bubbler to improve the O2 level of my aquarium, or adding one ...
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2answers
2k views

How do I know when I need to replace the charcoal in my aquarium filter?

I recently purchased and installed an External Canister Filter in my aquarium which includes a filter stage with little bags of charcoal media. Clearly I need to replace this at some interval because ...