pinkdolphin_113
Sinclair Aquatic Systems
these fish will be tank bred and won't be the first generation... probably like the 30th or something. this means that the fish are probably used to slightly fluctuating (like 7.4 - 7.8 for example) or higher than natural pH levels anyway as most fish are in the hobby these days.
and i don't think 7.8 is bad for discus anyway. natural pH levels is a discus habitat would be something like 6.5 which means pH 7.8 would be just over 10 times weaker than that. unless you're dealing with wild fish... or chocolate gouramis lol ... i wouldn't bother getting the pH exactly right. as mentioned before, a stable pH is much better than trying to reach a specific pH level. your fish look nice and happy so why risk that?
as for the fish... i love the look of the nice healthy discus you're going with here
and what pleco's are in your tank?
also, i agree with the person talking about the background... black would bring out the colour in the discus a lot more than when they're surrounded with bright colours like blue etc.
and i don't think 7.8 is bad for discus anyway. natural pH levels is a discus habitat would be something like 6.5 which means pH 7.8 would be just over 10 times weaker than that. unless you're dealing with wild fish... or chocolate gouramis lol ... i wouldn't bother getting the pH exactly right. as mentioned before, a stable pH is much better than trying to reach a specific pH level. your fish look nice and happy so why risk that?
as for the fish... i love the look of the nice healthy discus you're going with here

and what pleco's are in your tank?
also, i agree with the person talking about the background... black would bring out the colour in the discus a lot more than when they're surrounded with bright colours like blue etc.