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Hmmm, interesting question. I can't imagine a significantly negative interaction, however there's a possibility that they may simply react to form an unusable compound.   There is though, the consideration that flubendazole is a fairly good antiprotozoal agent, so may treat velvet...

I really must get mine going. Life has got in the way, but I'm not far from where you are.   I'll watch with interest.   Do you have any plans beyond the basic marine as yet or is that undecided at present?   Was also wondering what your plan for the canister filter is? I've seen all sorts of...

Sadly for that the OP is in the USA. I think that their equivalent would probably be Dr Foster and Smith, which they'd already mentioned.

Assuming you can connect the pipework (and watch the FX6 for that, they use odd pipes), then you can adjust with flow valves, a simple t-piece will allow you to have a return to the tank and have some flow going through the fluidised bed filter. It means that you end up with an extra return pipe...

Commonest cause of things like this is ammonia poisoning (or nitrite poisoning, by the same process). I'm not sure if you mean that the 5.5 gallon is the main tank or the tank you moved the sick fish into, but it's quite a small tank, particularly for mollies, which get quite big and have an...

  Filters are indeed more expensive for bigger tanks, but it's worth getting something easy to clean that can keep up with demand.   Lights can be remarkably cheap if you stay simple with fluorescent tubes, particularly if you get cheap daylight ones from places like Home Depot.   Gravel and...

  I wasn't aware that Zilii had managed to spread again, but sadly it's always possible. Juvi's often lack the spots, and colour up (sort of in this case) as they mature, the adults are tasty though. I've seen quite a few Mossambicus juvi's, and it's a similar look to be honest, hence my initial...

Looks very much like tilapia mossambicus to me.

I'm less averse to the concept, but no, giant vallis isn't a fan of it.

Annoying stuff. It doesn't take anywhere near as much to keep it going as it does to get started.   Too much light and not enough CO2 is the usual culprit. My personal view is that if it's in a high flow area then it's likely CO2 related, if it's hidden in a corner then it's likely flow. Mine...

My shrimp often sit at the top edges. I suspect it's got a lot to do with algae growth, particularly where the water level drops with evaporation, they love to get up to the edges after refilling the tank, as I suspect there's food there that they can't access at other times.

I'd have guessed Jack Dempsey myself, but as has been said, there are so many out there that have interbred that ID's can be difficult if you don't know the breeder.   For me the difference was the banding markings.

I've had platy hitchikers before, some I was totally clueless about the transfer of, but they show up mainly on plants, or bagged with other fish by accident.

Yeah, the only thing that wiped out my amano's was the cichlids, oddly, eventually, apistos and aggassizis as well, rather than anything bigger. The culprit did have something of a murderous nature to be fair, even for a cichlid. They'd been steadily growing for about 3 years at that point and...

Just thought it was worth taking a moment to mourn the passing of someone who was a great inspiration to many in the aquarium hobby. His aquascapes were some of the best documented, particularly outside the fishkeeping world and I've taken inspiration from a lot of his work.   I hope he can rest...

They do this, the eggs will indeed rot, at which point she will likely eat them. If the aggression isn't too terrible then you can wait it out, but if it's a problem them removing the eggs will calm things down.

I tend to use mainly stems to start with, my experience of floaters has been mixed in establishing tanks, but that's probably to do with flow being too high in my tanks until the plants get going. I seem to recall Byron mentioning that he doesn't go for as much flow as I do so that may be why...

I get ammonia from amazon of all places, although I tend to silent cycle like Byron does (I use if for cleaning things in the house mainly). Welcome back to the hobby.

Thought you meant that it had fallen over then, then remembered the whole Fahrenheit/Celsius thing.

I use a water butt with the top cut off, cheap, heavy duty, easy to drill.

It could, of course, simply be a layer of dust and scale. Might just wipe clean.

Acrylic can be polished, some plastics can also UV degrade, depending a lot on the manufacturing process of the acrylic. If it's degraded then you've not got a great deal of hope in getting it sorted, if it's fine surface crazing that's caused the milky white look then you can polish it out.  ...

It's doable, but problematical. Larger tanks do better, and fully grown with fully grown, or at least similar sizes. In nature they tend to be found in large groups, but they're also quite territorial, not a problem with a lot of space to play with, but a problem in an aquarium. I've generally...

That's black brush algae. Fairly common. Caused by too much light and/or not enough nutrients for the plants. CO2 is often the culprit, but to be honest the easiest thing to do is to cut back the light. You could replace the lights, or shorten the photoperiod for a quick fix (and remember that...

I've tended to put stones straight onto the tank bottom. I then use the substrate to keep em still. Overall, I don't like having stones in a position where they can move, otherwise fish dig them up and move them around, which makes them dangerous however well your padding looks. If you're...

Depends on a whole lot of things. Guppies tend to live for about 3 years, maybe a bit longer, if all is well. Questions that spring to mind are, are these ones you bought from the shop, or ones that you bred yourself? How many are in there? What size tank? What else apart from the assassins is...

I prefer the layout like this. Is there any room behind the rocks to put some of that eleocharis in? It might give more of a sense of depth.

My initial answer to this question is always the same. If you have to ask, then don't do it.   The reasoning is that, as Akasha says, consistency is far more important to most fish than perfect levels. If you mess with your water then you're committing to always messing with your water. Large...

I love halfbeaks, haven't managed to get any of them as they've only ever been on offer when I've not had tanks available.

It's also worth looking at things like the aquamanta series that you can get at maidenhead aquatics, nice filters and I've been impressed by mine.   Good shout for the JBL's, some of them are very power efficient, which is well worth considering for something you're going to leave on 24/7. Every...

That fixture won't fit very well on top of that tank. It's a bit wide.   Betta's aren't ideal for that sort of tank, they're big on surface area and shallow, you've got the opposite.   Shrimp would work well. Crayfish put up with most things so long as the conditions are right, you've got access...

You don't see many hex tanks nowadays, they're big on tall, rather than swimming space. It's a bit like putting a human into one very tall room, they're not generally keen on living there. As a result, stocking is limited.   For plants they can be great, as they allow stems and tall plants in a...

Yup, that's cyanobacter all right. My best guess is that you did such a good job of growing plants that you depleted the macronutrients, and enough mulm built up amongst the growth and roots to get the organics up to a high enough level to get it going. Once it's going it's a nightmare to get...

Looks at least 10mm, given that the lights are 12mm. There's also a big difference between cell cast and extruded acrylic for how well it does under heat. A lot of the thin stuff is extruded and bends like crazy.

DIY bubble counter is easy. Another bottle (doesn't need to be very big), two holes in the lid and half fill with water. Input from the generator has a tube opening under water near the bottle of the bottle, the other takes from the gas at the top of the bottle. End result one bubble counter/non...

Congratulations!

Everything from the genus is illegal. Crayfish over here are a problem, the native white is being wiped out by overcompetition from the American Flag crayfish, as well as them carrying a disease that they have very little resistance to. Mexican CPO's are from the same genus so can carry the...

No, sadly they're illegal over here.

  Oh, it was obscure, and very cute. Just not spotted any availability right now over here, but it's on the short list.   Lighting sorted now for the bigger tank, might be forced to drill some holes in it for an overflow to the sump. Ah, and that'll be why I can't find any.  ...

  I didn't say that there was no possibility of a lid, just that there isn't one right now. I'm leaning towards planted pico and shrimp for this one. Unless I can find something more obscure to play with.