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12 votes

Would a small amount of bottled water mixed in with an aquarium harm the fish?

Don't panic, it's probably okay! The key thing here is that you caught the error and asked the question. I'll cover both bases here and try and explain a few things (forgive me if you already know ...
Henders's user avatar
  • 5,125
5 votes

Green water in aquarium

As a general diagnosis of the situation, it sounds like what you have is an algae bloom. Algae grows when there is sufficient nutrients and light in the tank which is not being used by anything else. ...
Henders's user avatar
  • 5,125
4 votes

Would a small amount of bottled water mixed in with an aquarium harm the fish?

First, as Henders says, this is almost certainly not an issue at all. But I would continue to use tank water to thaw the krill from here on out. In fact, I'd go a step further: you can put the tank ...
Jason DeVito - on hiatus's user avatar
4 votes

Plants for dirty/algae ridden goldfish aquarium

Underwater plants in the Elodea genus do grow fast and absorb lots of nutrients. They are good oxgenating plants that absorb CO2 and this is positive for your fish. Goldfish will probably eat some of ...
trond hansen's user avatar
  • 19.6k
4 votes

What is this whitish goo in my newly set up tank?

Your tank is not properly cycled yet. Take this a bit slower, do not add any animals to your tank until it is properly cycled. The gray you can see in your tank is bacteria starting to grow. It is ...
trond hansen's user avatar
  • 19.6k
3 votes

What is this whitish goo in my newly set up tank?

You did too many things in too little time. Maybe you want to take a step back and do things gradually. In that way, you will be able to better understand the source of your problems. Move everything ...
virolino's user avatar
  • 2,625
3 votes

How to remove green bacteria algae from aquarium?

Rather than using algaecide potentially causing harm to plants, animals, producing workers and the rest of the world Lower PO43- value to the minimum by adding pug to the filter. Usually takes effect ...
Kalle Richter's user avatar
3 votes

How to remove the algae from the glass of an aquarium?

Get snails. They are much more effective than fish in cleaning algae. I have three large mystery snails, two zebra snails, and a bunch of Malaysian trumpet snails and ramshorn snails. My glass and, ...
Hermes's user avatar
  • 43
2 votes

How do I eliminate the black algae from my planted aquarium?

It's not impossible nor even slightly hard to remove black algae. I've had it in all of my tanks mainly because of scheduling. I leave my aquariums running 24-7. I've even bought used tanks with that ...
Chance Parker's user avatar
2 votes

UV film on fish tank

I have experienced this one before around 3 years ago, I have a 20-gallon planted tank at my desk near the window and was not directly exposed to the sunlight. Days passed by, it produces algae but ...
boang3000's user avatar
  • 154
2 votes

Is this white hair algae?

I agree with Kevin, these "algae" are most likely just trails left by the snails. If they're still getting used to the water or they think there's something not perfectly fine, they'll use more slime ...
Mario's user avatar
  • 5,383
2 votes

Is this white hair algae?

I think you're looking at waste from the snails here. Also, water changes should be done on a weekly basis, probably around 25-30%. Certainly not daily. Edit: White hair algea looks like this: http:/...
Kevin Peters's user avatar
2 votes

Get rid of green dust algae in aquarium

Try an UV sterilizer. This will kill the algae in the water. You will still have to do water changes to get rid of the dead algae, but over the space of a week with a few water changes you should ...
trampster's user avatar
  • 250
2 votes

How to remove green bacteria algae from aquarium?

Regarding the PO43-, it's not a high PO43- that could cause algae. It's more the ratio between NO3- and PO43- that could cause it (it's called the Redfield Ratio). More information about it can be ...
Diether's user avatar
  • 1,285
2 votes

Algae will not go away!!!! And snails, too!

Clown loach fish is known for Snail control. Practically any loach should do. I have used them in past with great effect. Also I have always kept two bristlenose plecos to control algae in my 55 ...
ringadingding's user avatar
2 votes

Fish tank keeps becoming cloudy with a green tint

Green cloudy water is a manifestation of an algae bloom. Algae aren't always that prominently visible, but they are always present in a living aquarium. Aquarium of your friend is having recurring ...
lila's user avatar
  • 195
2 votes

Best Brown Algae Eaters for Freshwater

Maybe a few herbivore snails? I used to own some and they were pretty good, but they reproduce fast so you might have to take out a few every month, but they scrub away thing rather quickly leaving a ...
Flyhighwhiskers's user avatar
2 votes

How do I remove hair algae from my fish tank?

I would just pull it out. My plan, which partly works, is to have enough regular plants to out-compete the hair algae for nutrients. But, occasionally, I pull a gob of hair algae out of a small pond, ...
blacksmith37's user avatar
  • 1,844
2 votes

How to reduce excess micro-algae in pond

First of all you will have to be sure you have good filtration, your pump and filter needs to filter all the water at least once every hour. The UV bulb needs to be changed every 6 months of use as ...
trond hansen's user avatar
  • 19.6k
1 vote

Algae will not go away!!!! And snails, too!

Note: This answer is based on the OP's original questions about an unfiltered 2 gallon tank, prior to heavy edits that changed the question entirely. Solution: Give up on this tank and learn how to ...
Allison C's user avatar
  • 6,487
1 vote

How to reduce excess micro-algae in pond

You are probably over-feeding, putting too much nutrients in the pond. I have a few ponds, never an algae problem, sometimes algae in the first month as they mature. I think algaecide is just the ...
blacksmith37's user avatar
  • 1,844
1 vote

What is this whitish goo in my newly set up tank?

Were you sure to wash everything thoroughly before adding them to the tank? Even new items/plants need to be cleaned off before adding. I believe you possibly have some variation of thread algae. ...
SimplyRedAppaloosa's user avatar
1 vote

How to remove green bacteria algae from aquarium?

You can introduce a Hypostomus plecostomus, also called "algae eater", to the aquarium. These fish are great for keeping algae at bay. They are readily available at most pet shops and come in all ...
DwillX's user avatar
  • 85
1 vote

Red algae in my tank

Siamese Algae Eaters are one of very few creatures that eat red algae. If you can get a few of those, that might be a way of getting rid of the pest without doing more harm. There are a few things ...
Richard C's user avatar
  • 1,374

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