xxBarneyxx
Fish Aficionado
As this is for newbies, I feel I should address a couple of points here:
Matching temp is not necessary. At a 20% water change the maximum possible temp drop (assuming the water is coming out of the cold tap at the coldest it will ever run in Scotland) on a 24 degree tank is less than 4 degrees. I perform 40% water changes and have never seen more than a 2 degree drop. I never add any heated water in my changes, but take all the water straight out of the cold tap. I also don't have any heaters in my display tanks.
That is very interesting to hear. Must be that I have very cold water as if I do a 30-40% water change it can drop the temp by a good 5-6 degrees. I have also heard of people losing fish after doing a water change due to rapid temperature drops (of course this could be due to other causes).
I know nothing about Rays so couldn't comment You are right about the Cory's of course and Danios also like the cooler water. I still prefer not to risk it though.It is also interesting to note that many ray keepers (known as a particularly sensitive fish) just fill with cold with water and many fish happily swim into the colder water, or use it as a que to spawn (such as cories).
Dechlorinator can be added before, during or after. It seems to make no difference. It also acts as close to instantly as you can get. Tolak has seen this in a display from a rep with a tagging agent to show up the chlorine.
Thanks! This is something I have always been curious about but never really knew the answer to. I always added some prior to adding the water and then added the rest as I was adding it (then left it 5 minutes before turning the filter back on).
Flake food has everything in it that a fish needs. It is a perfectly balanced diet forumlated after years of scientific research. A fish will be perfectly healthy if fed nothing but the correct flakes (assuming it takes them).
Yes, in theory a good quality flake food should contain everything that is needed. However almost every breeding article I have ever read for almost any fish has recommended certain foods (depending on fish species) to bring them into breeding condition. I personally like to feed a selection of food which, while I might be incorrect, feel is better for the fish in general (I also feed my cats a variety of different food for the same reason). It is up to each person though and I do know people that only feed flake food and do ok.