Help please, for new tank
Hi, I am setting up a 40 gallon hex for an Oscar. Yes I know this tank size is a bit small for an Oscar but several well educated people have told me this is OK with frequent water changes. Is it OK to use sand in this tank? Are there special conciderations to take into account when using sand? Also, I have heard that it is OK to use playground sand in an aquarium, is this true? And will I need to use an airstone in addition to a canister filter to get enough oxygen into the water?
Re: Help please, for new tank
drop some vinegar on the sand, if it fizzes then dont use it, if its fine, boil it for a while, then rinse and boil again. Sifting it wouldnt be too bad either and it isnt that bad to let it sit in water over night.
May I suggest pool filter sand over playsand due to the grain size. Playsand is so small (0.7mm) that it will compact over time, and may form anaerobic pockets.
A airstone will not be needed, but like Joe said it can't hurt. :wink:
anearobic spots are good and bad. There is a mix of bacteria that lives there. Some of the bacteria produces hydrogen sulphate (i think its this, correct me if im wrong) and hydrogen sulphate really stinks. But some other bacteria eats nitrates and turns it into nitrogen which then just leaves the water into the atmosphere. But since you seem like a begginer, i woulsnt try playing with anearobic bacteria.
Playsand will work fine in any aquarium. Just make sure that you dont just get the gravel vac and stick it in the sand. You have to do a swirling motion over the sand to get debris and etc. off of the top and to help not have dead spots. Sand looks great over gravel IMO but when the fish poop, you can really see it, like if you will ever get a pleco. lol.
Thanks for all the advice everyone! I think I am going to use a fluval 304 canister filter. Is this a good choice?
i dont know much about models and stuff but canister filters are very good.
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