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Dimensions? Can you give us numbers? For me, normal are the following: ammonia: 0 ppm nitrite: 0 ppm nitrate: under 25 ppm Normal pH for neons is 6.0 and zebra danios is 7.0, which is it? KH is carbonate hardness and GH is general hardness, two measurements for water hardness. Chemical...

I think it is likely that they will become nippier over time unless you keep more of them, but in a tank that size, I would say there's not enough room for a "safe" group (which I would say is 10-15+). I also think that they should have at least a 2.5-3 ft tank. Also, they are a schooling fish...

Did you wait 24 hours before doing the tap water pH test? If not, it is not valid and you should sit a sample of tap water for 24 hours before testing the pH.

Because angels are quite aggressive, and the aggression develops with age. When angels are kept in groups of any size (i.e. more than one is kept), they develop quite a strict pecking order and the dominant fish will pick on all the others apart from its partner. When kept in groups of 2-5, the...

I'd start with a small handful, and probably wouldn't go above one basket.

Does it fail the vinegar test? If yes, then probably yes. In my experience, it's as much as people would have you believe… a few years ago, I lined the back of the tank with wood and that dropped the pH from around 8.0 to 5.0 (it was stable before the wood was added and was stable after, no...

KH of 1 degree (35.8 ppm) and GH of 1-2 degrees is low enough that in itself it is not that great for most fish, and this is also where your problem lies. Your water has (in practice) no buffering capability and no hardness at all. If you want a comparison, my KH and GH have been in the 10-20...

It's not impossible for you to get "you're a loon" looks… he'll probably offer you some liquid buffer instead :rolleyes: What is your KH? If it's under 2 degrees, that's probably what's causing it as there are many factors which vary throughout the day that can affect pH (like what various...

Sorry, I will not post to US for two reasons: the culture is unlikely to survive the journey and unlikely to survive customs. Here are a few search results that you might be interested in: - http://fruitflyshop.com/store-microworms.html -...

Well, when comparing it to paying around £10-15 for 140 litres of substrate (9p per litre), 7.5 kg (9 litres) for £10 (£1.11 per litre) is about 13 times more :rolleyes: denzil1nil, since I looked it up, you might find it useful to know that for the tank in question, every 20 kg of sand should...

It buffers *towards* approx. 8.0, but a small handfull will not get you all the way there, it is likely to just raise the KH a bit :)

Yes, bacterial blooms are normal. Are you adding minerals back in some way? If not, then you need to as the bacteria (and later, fish) need them. Just out of curiosity, why are you using RO water?

Not much you can do, the bacteria multiply quite slowly at lower pHs…

2 angels - if they are not a (proven breeding) pair, probably won't get along in the long term, if they are, then probably ok, assuming the tank is 24" tall 3 Bolivian rams - all female probably ok, all male probably not, pair and individual probably not 4 albino cherry barbs - should be in a...

What are the dimensions? 4 ft? Personally, I would want more of the schooling species and fewer species in total, in my own tank.

You could do with some more plants in the long term, but it does look like a good start :good:

You are very likely correct about the lobster, that would also be my bet.

Are you sure nitrite is at 50 ppm? If that was the case, your fish would be dead. Could it be nitrate at 50 ppm? Or maybe your test kit does not show the results in ppm?

Well, the common pleco probably would benefit from a bigger tank… if not now, then quite soon in the near future. Because of the shape of the Trigon, the bottom area and the length of the tank are quite limiting factors. I estimate that in practice, while the longest side of the tank is 99 cm...

In essence, yes. In more detail, the current is the rate of flow of water around the tank (I would say), but only the amount of ripples across the surface matter. The only example I can give you is that if the water surface is still, that is not enough for any fish that is not a labyrinth or...

sreeve40: everything in the first post is still available :good:

An air stone will not add to the flow of the filter (the pump inside the filter dictates this), but it will add slightly to circulation and may kick up waste more.

As long as there is enough surface movement, an air pump is not needed.

What exactly makes a feeder goldfish any different from a normal goldfish? :rolleyes: What conditions has the fish been kept in? What tank mates? Did it have the lip damage when you first got it?

They will dig around same as any other Cory would, but it might take them more time to move around deeper substrate.

Air exchanges in the average tank primarily through surface movement, not bubbles, so it would be more effective to make sure that the tank is on a level surface and then use an airstone *away* from the opening, so it takes the air longer to leave the water, which means that each bubble...

^^ What they said. …and nitrite is quite harmful as it makes the fish unable to use the oxygen in the water, so in effect, it is suffocating them. I recommend that you do some large water changes to get it as close to 0 ppm as possible, then try to never let it reach 0.25 ppm. Also, try to...

If you do not know what colour male(s) the female mated with, then there is no way of predicting what colour the fry will turn out. Colouration does take time to develop fully, usually until the fish is around 3 cm long, but sometimes until it is adult (5 cm long), depending on what the end...

Just checking whether the media can support fast stocking or not, but it's a bit difficult to tell from a media-transfer method. For example, if you had done a qualifying period with ammonia dosing, you could have added most of the stock in one go. There isn't really anything that eats only...

Hi, what are the dimensions of the tank? What are your water hardness (GH and KH) and pH? Here's some feedback on the stocking: 6 neon - I recommend that all tetras are kept in groups of 10-15+ because they are schooling so they would benefit from having more of their own kind around and...

Glad that you guys like them :good: PM sent yesterday, please let me know if you'd like anything by this evening for posting tomorrow, or you'll have to wait till Monday as I don't want to post too close to the weekend ;)

400 litres? I've seen that done… my tip is make sure to have 2+ *really* strong men for the job! And tell them to be very, very careful not to hurt themselves…

Nah, that wouldn't stop them pairing up; in fact, if the other two bred, that would have encouraged these two to pair up because of the hormones that the other two would release into the water… if these two have been in the same tank with few other rams for a while now (so say, for 2+ months...

I'll give the Crypts a count and will PM you later on today.

micko, what's in the first post is still left :good: Lotuses are on hold till I have time to pull them up and separate them out, but I do have some small Crypt. wendtii 'brown' which are ready to go now at 25p each (there's about a medium sized hand-full worth of them), and two very tall Crypt...

Before we go any further, can you do me a favour and measure that beast? It looks way over the 15 cm that they're supposed to get to! If all of them grow to that size, I'd be tempted to stick to just those two species that you already have, maybe with something smaller for a filler, if you want...

I say it's more complicated than that (as always). If I am receiving a fish after it has been quarantined, then I do not quarantine. If I am receiving a fish from an unknown source, I quarantine. Wild caught fish always have to go through quarantine. "Rescue" fish also get quarantined. Fish that...

How would you do a fish-less cycle in two weeks? :rolleyes: They usually take 4-6+ weeks for most people. Just be sure to add warmer water very slowly and use a reliable thermometer, and you should be fine. It might be a good idea for you to read a bit about fish-in cycling, the most important...

Are you doing water changes to keep nitrite below 0.25 ppm? If not, then I strongly recommend that you do. I would personally not put my trust in Stress Zyme or anything similar as I have not seen these products work. What was your starting stock? How old is the filter/tank/set-up? The problem...

Well, with those numbers, the tank will look crowded, and I personally do prefer to see more plants than movement in my tanks… but the volume does allow for the high stock. The reason I recommend at least 6 per species is because they are a shoaling group of fish, so I like to see reasonable...