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One thing that you might want to look into, is the voltage in the tank. The primary sense used by these rays for hunting (if I remember correctly) are their electrical sensors. Since you will be feeding it, it won't need this whole sensory system for "hunting", but you still don't want it to...

I did spent a few solid hours reading this thread :) (actually, after two hours managed to read only half of it :o ) While, it is exceptionally beautiful tank, I have to agree with some posts on that thread, and that is that tank is not rally for this particular stingray. This stingray simply...

Sorry to hear about your loss, I guess this was not a happy year for you. If you had a bigger basement, you could place one of those plastic kiddie pools or sand boxes in it. This is a beautiful fish that is a one of the "symbols" of PADI, and interestingly enough I have encountered it when I...

I have two types of caulerpa and chaeto.

If you want to go quick and dirty, like I did, you can always canibalise one of those cheap outdoor reflectors they sell in Home Depot. The whole reflector with glass that is something like 4x6 costs 7$ and the larger one is 15$.

Are you asking about the conversion from your 580ppm Ca into Alk dKH ? You can't convert it because they are two completely different things and while in general they are inversely corelated, there is no conversion between them. And your readings are quite possible - high Ca lowers Alk. Stop...

I am in Plainsboro :) . PM sent.

NO !!! potection is for the tank as well. I changed type of MH bulbs on my Coralife Aqualight without realizing that the UV protecting glass on that @#!$@@! mount is covering only 50% of the bulb (double ended) >:( . I "aclimated it couple of days for a few hours, and then when I left it burn...

Single-ended are generally UV shielded, while double-ended are not. Does your design take into accout UV shielding?

As far as I understand, silicates are used only by diatoms - microalgae that are building silicate skeletons. vast majority are unicellular, though sometimes they could make small colonies and chains. They would cause algae blooms - green water. This, what you have, is almost certainly not...

Yellow tang is very good with hair algae

I have been there a coupe of weeks ago, and I wouldn't say that the choice is that great. Very few fish. I did, however, got a nice small hammer for 20$. You culd try also In Living Color, Fish Factory, Absolutely Fish, All Aquatic, Fish Tank, Ocean galery II, Reef Encounter Check this page...

Two polarizing filters (photographic or polarizing sun glasses or 3D theater glsses -those that are grayish and red/blue) when oriented 90 degrees to each others polarizing plane will completely block the light. To see that, make them parallel, and then rottate one of them. At the point when all...

Basically there are two most common types of tests: 1) Color chart tests. There are two variations of this test: a) Test strips - Basically you dip strip in the test water and it changes color which you compare with the color chart. Extremely quick and simple to do, but the worst precision...

Carlo, how often do you feed them with DT?

Bubbles would lift the floats, wouldn't they? That would mean that the float would STOP sending low water level signal and the pump should stop sooner and not overflow, right? Now, since most of these small float switches that I have seen on the market are based on a sliding magnet, what...

Actually he started a really good thread and asked a really good question. Carlo, I am sorry, I have poorly expressed myself, and let me try to clarify a few points that I have tried to make. First of all i was talking about the whole nitrogen cycle which consists of several steps, and not...

That is the role of sand sifting stars, nasarius snails, worms and sand digging gobbies and crabs :) p.p.s Don't use the stars in such small space/surface and gobbies if it is a refugium.

There seems to be confusion "out there" about where the de-nitrifying bacterias do live. On one hand, there are those that claim that the nitrogen cycle bacterias live only attached to surfaces (live rock, filter media, bio balls, DSB substrate, etc). On the other hand, absolutely EVERYBODY...

ugly but works