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The second picture looks like a purple mushroom, a fast growing soft coral. The while lines are most likely spaghetti worms. They're also a good...
Many glass shops also carry Weld-On.
It is a keyhole limpet (Fissurellidae sp.). They are omnivorous and can be beneficial. Since it's in a 24G tank you should be able to keep an eye on...
They're good. They will send out really small sweepers to catch uneaten food.
If you want to keep corals you need to run a daylight bulb. Actnic bulbs do not produce enough usable light for photosynthesis.
They are most likely Eupolymnia crasscornis (spaghetti worm). They often build tubes from whatever they can reach from their burrow.
If you just want to get rid of the larger pieces, try a cat litter scoop or a slotted kitchen spoon. Just scoop them out and the smaller pieces will...
Your lights will pull just under 5 amps. Make sure the one you get is rated for that. Add up all of the loads you want to put on it. The powerstrip...
This one was designed by a reefer local to me who spent a lot of his life designing water purification systems. They offer a money-back guarantee if...
Definitely don't do it all at once. If I were doing it, I would only change about a cup at a time. You don't want to stir everything up or remove all...
The color can vary from green to purple to red to black. It's all pretty much the same stuff. It is a sign that there are too many excess nutrients...
Is it cyanobacteria?
Have you taken the back off yet to see if it was salt?
Wow! That looks like quite the overload. Is it possible water somehow got into the strip? I like to use heavy-duty strips from Home Depot for all of...
I agree, get it out as soon as possible. I had some in a 5 gallon nano and it took over in about three weeks. It was a real pain to get rid of it. I...
I do tend to overlight (now I'm just making words up ::)) my tanks. I have 380 watts of light over one of my 30 breeders and a 250W halide over the...
Yep. It's a sponge :). It's most likely fine but some sponges are invasive. If it gets too close to your corals for comfort you can trim it back very...
All soft corals (leathers, zoa, etc) should do well for you as should most LPS. You can also keep SPS as long as you keep them near the top. What...
Some brittle stars will get rid of them.
Using predators to control a nusance population is always hit or miss but I have had good luck with six line and the fairy wrasses.
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