13 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 ...
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  • 5,124
7 votes
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What plant is this?

It is Caulerpa algae, although it has roots, stems and leaves (may be C. prolifera or C. floridiana). Tangs, Moorish Idols and other fish eat it. It grew very vigorously in my aquariums and so can ...
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  • 1,726
6 votes
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How To Introduce Additional Clownfish

The black one is an Ocellaris and is typically referred to as a Darwin as they're originally from a specific area in Australia. Most likely you will not be able to keep more than a pair in the tank ...
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  • 3,083
4 votes

How is the care of a saltwater tank different than the care of a freshwater tank?

Money The main difference between a saltwater tank and a freshwater fish tank that keeps people from getting into keeping saltwater tanks is cost. There's a big difference between losing a $3 ...
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  • 15.5k
4 votes

How is the care of a saltwater tank different than the care of a freshwater tank?

This answer is with the assumption that you are referring to a fish only marine tank, normally called a FOWLR (Fish only with live rock) tank. A coral reef tank requires considerably more skill and ...
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  • 3,083
4 votes
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What are good foods for brine shrimp and how to administer them?

Brine shrimps are non-selective filter feeders and can be fed a wide range of foods, including but not limited to Liquidfry brand or similar fry food, yeast, whey, wheat flour, soybean powder, fish ...
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4 votes

How To Introduce Additional Clownfish

I have gained a bit of experience since then as well as had an unfortunate Act of Poseidon that has granted me a mulligan on clownfish. I'll share my insight. Many factors come in to play when ...
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  • 809
4 votes

What, exactly, is "ich"?

Spidercat outlined some good points, since the Ichthyophthirius multifiliis parasite is a very popular issue in aquariums i feel like adding my personal experiences as well. Causes for an outbreak: ...
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  • 141
4 votes
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Why is there no such thing as a "Saltwater Dip"?

The reason for not giving freshwater fish a salt water dip is this: the salt water is dangerous on a cellular level for the fish due to the change of the osmotic pressure in the cells. Here is the ...
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  • 18.6k
4 votes

Why is there no such thing as a "Saltwater Dip"?

The problem with treating saltwater fish is that the medicines that will kill the microorganisms that are harming the fish will also kill the microorganisms that are helpful to the tank (e.g. the ones ...
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  • 15.5k
4 votes

All my fish in reef tank died

Lots of things can go wrong. Here are some ideas: pH or ammonia spike : The larger the tank, the less likely spikes are, but all of my catastrophic failures like this were due to spikes Power outage :...
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  • 2,466
4 votes
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3 Gallon Saltwater Aquarium

Very small salt water tanks are pretty difficult to maintain. Properly heating/cooling a tank that small is always a challenge -- most heaters aren't adequate enough to maintain a stable temperature ...
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  • 116
4 votes
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What is this white ball growing on my liferock?

Hard to tell from the picture, but most likely some sort of sponge or tunicate. They typically grow naturally when there is sufficient food and nutrients and with a few exceptions shouldn't be a ...
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  • 3,083
4 votes

Locating dead fish

Sometimes as they start to decay or as other fish nibble at them, parts of them become small enough to get sucked into filtration. Check filter by partially disassembling it and remove any ...
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  • 3,017
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 ...
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3 votes
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Is a water change near the end of cycling dry rock a good idea

So, I'm going to assume you're curing/cycling the rock in the display tank, correct me if I am wrong here. Assuming so, I would definitely do a water change. And I think your concerns are spot on. As ...
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  • 3,083
3 votes
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Feeding fish in tank with overflow

As a practice, and to train your fish to know when food is going to be dropped, you should turn off the filter, skimmer, and all equipment which makes noise or bubbles, or any kind of water activity. ...
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  • 399
3 votes
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Should pump from sump run continuously

It should be running continuously. Normally the sump is where the filtration and heating/cooling is located, so running it only part time would create problems for the main tank. Is the pump itself ...
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  • 3,083
3 votes
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How long does it take for a snail to mature into an adult?

Growth rate and how large they get depends on they environment and the genus. Many can grow to about 1" in six months or so, then continue growing from there. It is common for a lot of the baby snails ...
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  • 4,392
3 votes
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How to transfer established saltwater into a bigger tank?

You should have some target amount of salt ppm per gallon of water. This amount will change depending on A: the type of salt, and B: what you actually will have in your tank. API aquarium salt ...
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  • 251
2 votes
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Suction cups will not stick in brine shrimp bin

Suction cups do tend to just stop suctioning over time, so a simple solution may be just buying new ones. In my experience with them, I've found that sometimes they'll only stick to the surface if it'...
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  • 2,452
2 votes

How High Can I Raise My Lights?

Not knowing what type of corals you have (soft vs. hard) this is what I've come up with: If you have a hybrid fixture (metal halides/t5 combo body fixture) you will want them about 6-7" inches from ...
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  • 3,017
2 votes

Aquarium overflow vs bottom of tank intake

A lot of your finer particles that need removed will float in saltwater, with the proper flow will go into the overflow. Also, said system will have a cleanup crew (crabs, pods, worms) to eat the ...
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  • 201
2 votes

Aquarium overflow vs bottom of tank intake

For saltwater tanks it's easy: there is a lot of current in the water. If there would be any detritus, in would already be floating and it would be sucked up by the overflow. When you look at ...
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  • 352
2 votes

All my fish in reef tank died

Addition to rib.usa's answer. I think that typical fish could survive a week without eating. Probably there was a power outage, which stopped all electric devices from operating. The time was long ...
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  • 275
2 votes

How To Safely Remove a Sea Cucumber?

It went pretty much as I expected it to, I was just afraid to take the leap with that little death trap. He was incredibly easy to catch at night when he was moving about in the open. Exposing them ...
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  • 809
2 votes

How to remove the red algae in reef tank

That's not algae, those are diatoms. That is part of the natural cycling process and are usually an indicator of high bacteria if you are dosing carbon (it's feeding on the excess bacteria) or ...
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  • 201
2 votes
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Best residential aquarium test kits for accuracy versus affordability

After disparate results each time I tested with APIs test kits, I decided to switch to Red Sea, you can buy kits for marine care on amazon.com. I'm very happy with the results they produce and they ...
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2 votes
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Add Fish or Corals first in a mixed reef setup

I am going to end up adding fish first. My first fish are going to be added right after I get my clean up crew. I searched multiple forums and, as you might expect, it's quite debatable what to add ...
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2 votes
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Is a clean up crew necessary if there is no evident algae?

In my situation, as I stated in a comment here, I did end up seeing algae growth about a week after I added my cleanup crew. Like I said, I cycled the tank after curing dry pukani rock from Bulk Reef ...
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