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I'd start by looking for critters as harryk just mentioned. It could also be a fish bothering it. Clowns are known to do this. I'd also test for nitrates and phosphates which seem to bother some hammers more then other corals. Other hammers don't seem to be bothered by rising levels. It seems...

Because in all honesty you're throwing your money away. For example it might take 5 pounds of dense tonga branch rock to equal 1 or 2 pounds of good porous rock in it's ability to hold the denitrifing bacterias your tank needs. Would you rather pay $15 or $6 for the same amount of biological...

You may want to try a couple of water changes on the tub with a powerhead in there. Carbon would also help. Then do a smell test on each rock. My guess is that it's only a rock or two (hoping) that is the problem and not all the rock. Carlo

I should be able to help. Carlo

Welcome Dave! Feel free to ask any questions you may have. Remember the only "dumb" question is the one that's never asked! I don't think you'll have much trouble at all running a salt water tank, especially a FOWLR tank. You'll just need to know the water parameters you need to keep and the...

Got ya. Yea a lot of people don't like it because it skims so well. How's the Tunze working for you? Carlo

Also what type of meter is it? If it's a Pinpoint it's a different type of reading then a typical TDS meter as the former gives readings in Micro Simens while the latter is in PPM. The Pinpoint readings when converted to PPM are much lower then the digital display would have you believe. Carlo

Hello bconn, I do something very similar with data from my AC3 although I've got the page down at the moment as I'm playing with 3 other controllers at the moment (not Neptune). If you can wait until after the holidays I can help you out with your project and show you what I've done which you...

That's actually exactly what I meant. Tonga Slab and Tonga Branch rock aren't very good rock from a bacterial standpoint (why we use rock). Sure the slab is good for creating caves and the branch is nice for designs and decoration but neither does much for biofiltration. These are two of the...

Is it turning brown from the base up or from the tips down?

If the person had the receipt and it's only been a day I'd take it back. But on the other hand I wouldn't sell a sick fish to begin with as it's bad for business in my opinion. This is a really tricky issue for a store to handle because unlike many of the reefers here on the club, lots of...

It's the same med just new packaging (as far as I know). It can have some affect on popeye but it's not really what you want to use. 2 is what you want. Basically in a nut shell one fights gram positive and one gram negative. Almost (99%) of any infection you would see in a reef tank that needs...

Tonga isn't better then Fiji rock just different. Both are dense rocks. Tonga comes in two common types (although others are available) and they are slab and branch. Both types are very dense and not very porous so that don't contribute a lot to bio filtration compared to other rock types...

I'm sorry but somehow I missed this one also. Are you using Maracyn or Maracyn-Two? Maracyn-Two is what you really want to use to treat popeye in marine fish. Maracyn has little use for SW fish. For popeye treatment I'd go with a hostital tank using Maracyn-Two at double dose for 7 days as...

Do you possible have an electrical short anywhere? I had this happen just before Easter and again a couple of days after the November meeting at my house. In my case fish were fine but corals suffered but it depends on the stray voltage/amps. Sometimes when you put your hand in the tank you...

Don't bother trying to use water from a dehumidifier in a re-cycled manner. It's pulling all kinds of nasty stuff out of the air that's bound to the water. Carlo

If the deposit doesn't come off easy with a razor blade (easier to use via a Reef Gadget) and vinegar doesn't help you can try CLR as it's probably some type of deposit stain that has set in. This is one of the safest "strong" products to use. If you go this route clean the CLR with vinegar...

I'd strongly caution keeping fish at lower then normal salinity levels long term. This is one of those things that aren't well understood by the average hobbyist. Low salinity for short durations is usually fine. Hyposalinity 16 ppt (1.009 sg) at 80F will generally kill off all parasite on a...

Just for kicks Sam, try replacing evap water with salt water to slowly bring the salinity back to normal. I'll bet you still won't see a parasite issue when you get the levels back to "normal". Carlo

I'd agree and disagree with that Merv. I can certainly see how this can apply to some fish stores. If you buy from wholesalers who use lower salinity then you have to acclimate them for a much longer period and not just temp/pH match and drop in (which many lfs do). In such situations they are...