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Yeah I find it develops this clear goo around it, I tend to soak in a bucket for a few days (wiping it off as it grows) until its a bit cleared before adding it to the tank.

We really should stop :rofl: I like them for the planted tank substrate, they help keep the soil turned over in the root systems

I send mine through Fed Ex (Canada, Toronto to Vancouver) about a month ago with no issues, you probably should be alright

I'm not sure of colins opinion of snails? :kana: I like the MTS's they are quite good at turning over the substrate

I have never seen any negative effects of large amounts, although I always wondered if that meant I had way to much solid waste being produced in the tanks ( to maintain that size population)?

The one things that always makes me cringe is the LFS (not the chains P@H, Maidenhead ect) which is just willingly selling fish with Ich or other visible diseases. I have walked in and straight back out a couple of places which have done it. I mean even P@H and maidenhead put up little signs...

It also works the other way around with freshwater on Saltwater fish. The public perception is better than using "Chemicals" on their food Pretty much, The most well documented is in Atlantic Salmon and Either Gyrodactilus or AGD. Both are external parasites and have a lower tolerance to the...

While byron isn't wrong. It is important to remember there is no such thing as a science fact. Wording such as this encourages peoples arguments against things like evolution (eg. as only a theory). And in a more applicable case that this data is unchangeable and therefore can be wrong, leading...

1) See most fish have some ability to digest plant bases proteins within grains, Tilapia are a good example of this which can utilise may different plant based dietary sources of food up to 100% inclusion in some cases (El-Sayed. 1999), even carnivorous Atlantic salmon can utilise pea meal...

I can't talk for all scale less fish, but apparently long term baths of about 2-5ppt (Doesn't specify time) for freshwater stingrays is beneficial. (obviously a little specialist and there are different biological processes in elasmobranchs, as they can reduced Na+/K+ ATPase activity when...

This is an interesting article on the use of Salt in fish and amphibians, summarising what is currently know, with a lot taken from Farmed Salmon and Tilapia Wangen, K. (2012). Therapeutic Review: Sodium Chloride. Journal of Exotic Pet Medicine, 21(1), 94–98. doi:10.1053/j.jepm.2011.11.012 It...

It is an interesting article. The only issue I have with it is that breakdown of proteins creates nitrogenous waste, the breakdown of starches does not. So the logic of that point is the other way around, high fishmeal diets (High protein) will cause more nitrogenous waste. While there would...

I don't know, they are normally pretty quite and the only moving part is the impeller so I would imagine that its the culprit, or maybe some air trapped? Apart from the impeller issue on mine, it was usually quieter than that I don't know if anyone else can offer some more insight?

Yeah I was, It might still be worth having a look at the insides, if you pull the bottom off you should be able to access the impeller to have a look if its ok. Its just a magnet inside so you can remove it, just see if there is anything it's rubbing against or if its cracked ect Other than...

I know this is a silly question but is water coming out of it? I had one which would make the same sound and there was no water flow because there was an issue with the impeller (cracked and not rotating)

I mean how long were you trying for...? :crazy:

Yeah I normally count all the fish in tanks to make sure all are present and correct. Except when I had pea puffers, then I would be happy if I could see 3/4 :rofl:

Interestingly, you are from the Midlands right? There is a good evolution example for the midlands. Pre industrial revolution the moths which nested on Birch trees were white ( blended in with the colour and thus didn't get eaten by predators). A mutation had occurred in the population which...

With all due respect you are wrong. There is no opinion on this mutations and evolution and the mechanisms which they effect and are affected by are well documented biological theories. Mutations and evolution are not separate. As I said above Mutations are change which occur within DNA, and...

We do :) Just wanted to clarify a couple of things as it read (at least to me) like you were equating mutations with weakness. I can't talk specifically about the EBJD's but in the situation you are describing "fitness" or lack of, would be the better phrasing. Fitness being an organisms...

While not necessarily wrong, just want to pick up on a couple of things. Mutation does not equate to weakness, Apposable thumbs is a mutation, blonde hair is a mutation, attached earlobes are mutations. being an organism made up of more than 1 cell is a mutation, having a mitochondria is a...

Thanks :)

So the infertility comes from a wide range of things like, chromosome number, differing mechanisms for determining sex ect. That comes down to quite in depth reproductive biology, but simply means that they cannot produce viable (working) eggs or sperm.

Thanks :)

So Ligers cannot breed any further, if you want more ligers you have to keep breeding lions and tigers

There is a very long answer to this (Obviously) and It can get quite complicated, but briefly; But there is still a running debate on what actually constitute a species (especially now with modern genetics), a very simple definition is "a group of living organisms consisting of similar...

See, the issue we have is there is little incentive to breed any fish for robustness. From the major breeders/importers. Most would focus on speed, colouration and numbers, that brings in the money. I find the best fish can be from people who breed at home, most will select for robust healthy...

Do you have plants? I usually use a 8day 16night. But have trialled 6day 6night which allowed me to have the tank on in the morning before work then again in the evening. You can have the lights on 24/7 if you want, but the fish will want to eat constantly and you'll grow a load of algae...

I know some people use the corrugated plastic used for greenhouses. That might work?

I just use a cheepy clock timer from Tesco Nothing fancy, does the job.

I think you have a poor grasp of what experimental actually means. I'm not debating chlorine/ chloramine removal The OP suggested an experiment, on an animal/animals which has the potential to cause suffering or harm, in their house as a "Challenge" This is not a topic to be bandied about as a...

I don't really want to be arguing the minutia of what the law says or does not say, I will leave that to the lawyers. However that is not the issue. the OP (and I attach the quotes below) was talking of actively experimenting where there was the potential to cause harm ( which is the issue) not...

I assume this is directed at me, I think you might have missed the OP's point. and we are also talking Chloramine not chlorine

You're asking me like I wrote it? I would imagine in the case of fish unnecessary harm from chemicals, waste products ect Not in this case, Just look at the amount of people who said it was a bad idea.

I am afraid that is taking things a little past the point of absurdity An experiment was proposed whereby fish were exposed to potentially harmful situation (exposure to chloramine) It is one thing to trail adding garlic as an attractant in a home made diet or experimenting with lighting...

Don't forget these regulations are vague for a reason, a 100L tank is fine for a pair of Angels or some guppies but wont be "suitable" for a red tail catfish. They cannot spell our everything for every single species which is kept by people. Is a 1 gal bowl a suitable accommodation for a...

If I had a good answer for you I would give it to you, but at the end of the day It's not illegal for them to sell it, but it is if you house a goldfish in it

And why might that be?

You live in the UK. yes there is it is called the animal welfare act and the pet animals act I posted them above

Despite this according to the national centre for biotechnology research there may be no formal law for non mammalian animals there are other regulations in place which cover ethical standard which are imposed on experimentation of all animals found here...