7 votes
Accepted

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 ...
  • 1,746
4 votes
Accepted

Should I be concerned about my pH being slightly high?

No need to worry. pH is affected by an almost immeasurable amount of factors. Something as benign as turning on a ceiling fan can measurably alter the pH on a tank due to CO2 concentration in the air ...
  • 3,073
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 :...
  • 2,506
3 votes
Accepted

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 ...
  • 251
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 ...
  • 275
2 votes
Accepted

What remaining equipment do I need for a marine aquarium?

There are an infinite number of ways to setup a reef so I won't point to any specific products. I'm also making the assumption that by reef you mean a marine tank with rock, coral displays, inverts, ...
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 ...
  • 3,027
2 votes

Nitrogen cycle for new fish tank

The most important thing first: Don't put any creature in the tank at the beginning/before the tank is fully cycled! Providing a time line is nonsense because the cycling can take between 1 and 4 ...
2 votes

Nitrogen cycle for new fish tank

To cycle a fish tank, you fill the tank with water and gravel and add water conditioner. Then start the pump and heater, let the water heat up. This takes a day or two. After 3-4 days, the water gets ...
  • 19.1k
2 votes
Accepted

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 ...
2 votes
Accepted

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 ...
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 ...
  • 201
1 vote

Should aquarium overflow maintain a certain level of water

It looks like you are missing the stand pipe for the drain. A common design out there is the durso standpipe. You can make one yourself from PVC pipe or buy one from their website. There are other ...
1 vote

Should aquarium overflow maintain a certain level of water

Just as I understand you right, you wonder how much water there should be in the left one on the picture? I would say zero water, it depends on how high your pipe is from the sump. You build it like ...
  • 11
1 vote
Accepted

Should aquarium overflow maintain a certain level of water

My first thought is that your return pump isn't strong enough. The overflow is draining at a faster rate than water is getting pumped back up into the tank. Simple solution is to get a more power pump ...
  • 71

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