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My central air unit broke about 5 days ago. It gets really hot on the top floor of my 3 story building on warm days. I have 4x96 watt PC's and found that keeping a fan blowing directly on the water's surface at all times made a remarkable difference in keeping the water cool. My aquarium...

If this is the overflow with 2 hoses to the sump, it works very well. Make sure you have an extra powerhead though. I didn't know when I bought it, but the syphon will probably stop frequently without having a powerhead suck out the excess air that accumulates with higher water flow. It...

I replenish evaporated water with kalkwasser in the morning to boost alkalinity, and B-Ionic in the evening to increase Ca. I've found that kalkwasser alone doesn't really increase Ca as well as B-Ionic, but it is a better alkalinity booster.

Upon further study, you're right RobinFly, you can't just add those numbers. I guess 5500K is tropical noon color (slightly blue-white, above water). Anything higher is bluer and lower is redder light. A 10000K bulb is moderately more blue than the 6100K bulbs, so I'm going to run 2 actinics...

I'm at about the point when I need to replace my PC bulbs. I'm currently running 2 Ultra Actinic's and 2 6100K Daylight's. If I want my tank to look slightly more blue, should I replace them with 2 Ultra Actinic's, 1 50/50, and 1 10,000K Daylight? If my calculations are correct, currently I...

Thanks for the advice. I'll start the drip tonight and check my readings over the next couple of days. If I don't notice a significant rise in Ca, I'll try the additives you told me about. Would a sudden boost in Ca concentration affect anything negatively? I have a huge finger leather, a...

I'm going to start adding kalkwasser to boost my Ca in order to start adding some stony corals. I bought ESV's product and made it up with RO (I'm also using B-Ionic). It says on the label to add the solution after it clears. Anyone use this? Does this mean to wait for the undissolved...

Thanks for the info. I have been feeding with garlic for a few days now, and I don't see any more parasites. What should my next step be? Should I take all of my fish out of the display for 30 days and treat them? Should I just keep feeding with garlic for some period of time and leave them...

I know this is more of a Disease and Treatment question, but there seem to always be special rules in reefs. I have a Regal Tang that had been doing very well in my 90 gal for over 6 mos. After having to make a new stand for the tank, I put everyone in the tank through a lot of stress. About...

I know this is more of a Disease and Treatment question, but there seem to always be special rules in reefs. I have a Regal Tang that had been doing very well in my 90 gal for over 6 mos. After having to make a new stand for the tank, I put everyone in the tank through a lot of stress. About...

I need to move my tank to a stand that won't collapse, and have to set up a temporary home for my inhabitants. If I clean an old copper treatment tank real well, can I use it to keep my corals in for a short time? In other words, does copper absorb into glass or silicone? I don't think it...

I've been reading this board for a while and have found it very helpfull. I have alot of questions about this hobby, but I'll start with this one. I've had my reef setup running for about 8 months, and have recently found some new snails that seem to be propagating. They have a long, white...