Getting A New Chinese Algae Eater (sucking Loach)!

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Greetings -
I used to have a lovely Chinese Algae Eater who I unfortunately did not research enough about before buying :no: ; I was told by the store that they were peaceful community fish who would do fine in a 5g tank with my betta. By the time I realized how wrong that advice was, he had permenant damage from hydrogen sulfide poisoning. Still, despite the resulting neurological issues, he lived for three years, first in a 10g (inadequate, yes I know) and then in a 30g (better). He unfortunately passed on this year, which made me very sad as he was only 3, which I hear is pretty lousy for their lifespan. I think it was because of the hydrogen sulfide poisoning, which from what I hear has nasty long-term side effects, but I want to make sure I didn't do anything else wrong by the end of his days, when he was best cared for. So, I'm going to detail what I did for him in the 30g and intend to do for the new guy. If anyone can offer additional pointers, that would be awesome, because I'm supposed to be adopting one from a friend who has the poor guy in an unfiltered 2g as soon as my cycle finishes.
The tank I am going to keep him in is a standard-sized 30g (no tank mates). It has a HOB filter that seemed to work pretty well with my last fish, and a large air strip and bubbler rated for greater gallonage (I think 50g). The substrate is a very fine gravel since they seem to like burrowing, and I have a few fake "rock" caves and plenty of plastic and silk plants (I seem to murder live plants). I am doing a fishless cycle that is progressing well using filter media from my goldfish tank (also done as a fishless cycle), so I shouldn't need advice on that as it is going - no pun intended - swimmingly.
However, does anyone have any tips on more general care? For example, in the past, I think the pH has been too high for CAEs (my water is ridiculously base), so I have it at about 7 using pH reducing products, which I know aren't the safest, but its the best I can do given my stupid tap water. Is this Ok? Should it be higher/lower?
I also have the temp at a pretty steady 78, as the tank is in a temperature controlled room that stays the same temp year round. This is the temp I use for my bettas, but I do not know if it is great for CAEs, as I see a lot of mixed answers on the proper temp for the species.
Also, for diet, I have an herbivore bottom feeder pellet, a carnivore bottom feeder pellet (both by Hikari), and will suppliment with fresh leafy greens and cucumber. Is this OK? I know CAEs are omnivorous, and Reebum (RIP) loved all of these foods. However, seeing as he died, I want to make sure diet had nothing to do with it.
Thanks, and any additional husbandry tips would be great. Aside from, "Oh god, don't buy them!" there isn't much advice on these poor little guys out there.
 
I would not recommend using anything to alter your pH. Most fish can adapt to whatever pH they are in as long as its stable. Stable pH is much more important, as varying pH (which is what tends to happen when using chemicals and whatnot to alter it) will kill a fish pretty quickly.
 
Should I empty the tank then? The pH is currently at 7, and I would adjust and test the pH of new water being introduced during WC's, but if the pH will change over time because it isn't natural, I'll gladly start over again. Though, my water is frequently over 8 out of tap, and what I've read about CAEs makes it seem like they prefer neutral or slightly acidic (6.5-7) pHs. Would they really be able to thrive in water with a pH this high?
 
CAEs live in our water just fine and its 7.8. Most fish are pretty adaptable. I'd say yeah, if I were you, I'd remove the water and put in fresh water that has not had a pH chemical added to it, just a declor.
 
A single (probably small to start with) CAE in a 30 is going to be a bit... boring. You should be able to keep slim bodied, fast movers like danios fine with him.
 
I'm not interested in how exciting he is; I'm interested in him being safe, happy, not attacking other fish, and having plenty of space to grow and thrive. You're talking to someone who keeps bettas in 5-10g tanks and has an aviary for just three parakeets :lol: I really don't mind having spacious places for my animals to live, even if more could fit and make it more interesting for me to look at. Thanks for the tip though ;)
 

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