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Rivulatus
08-22-2010, 03:31 PM
Hi there I have a 90l tank where I want to put in some discus before I build a proper tank for them.
I strugglr to get the pH below 7 it is standing at about 7.5 to 8??
The other fishes, rams, silver tips and rumminoses, are doing fine in there???
Northernguy
08-22-2010, 04:48 PM
Please read up on discus before starting to keep them.
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I do think you will need a larger tank to keep them successfully.
Its real important to be careful what you choose to keep as tank mates as well.
No sharks!
Spardas
08-22-2010, 11:56 PM
Sorry, but your tank is too small for discus to thrive and you already have a tank stocked with other fishes.
gm72
08-24-2010, 10:38 AM
Agreed with Spartus. You already have one project tank that needs your attention. Adding another inappropriately stocked tank is out of the question.
Cermet
08-26-2010, 08:59 PM
Hi there I have a 90l tank where I want to put in some discus before I build a proper tank for them.
I strugglr to get the pH below 7 it is standing at about 7.5 to 8??
The other fishes, rams, silver tips and rumminoses, are doing fine in there???

Do I read that correctly, 90 liters!? Maybe 90 gal with a small school but 90 liters couldn't properly hold 4 discus and they would never grow out being forced to live in so short a tank. A 55 gal (over 120 Liters) could handle four (tall enough but while the rough rule is 10 gal per discus, that does not include sand and anything else. Also, volume matters when it comes to handling waste from such large, and active fish and 55 gal is very poor at that. Also, most discus do not handle small schools (under six), well and that is a big issue, too.)

If you struggle just to hold a pH below 7/8, you really are not ready. Discus require daily water changes and at least weekly total changes and pH must be rock steady.

These are just some of the problems. If you are unaware of trhese basic issues, not only do you need to read up on discus, you need to read more on basic aquarium keeping - volume really matters with larger fish - both to buffer waste effects, and pH.