Often skills keepers are dispose of with this next step from studying articles either from old reference books or via the web as wild Discus have a name for being gentle creatures which are extraordinarily difficult to maintain but this does not need to be the case and lots of of those are kept in the aquarium with no extra problems encountered, actually they are well-nigh wild cichlids that can contend with various water parameters if acclimatised correctly and given space to grow to their natural adult sizes. A tank as small as 20 gallons can be utilized but it must be cycled before the Discus are added, the water can be soft and the pH maintained at about 6. 5 for the fish to feel comfy. If the hardness of the water and the pH is too high there are commercial merchandise available that will soften the water corresponding to black water extract or that you could even use peat in the filter, using peat also can help to take away some impurities from the water besides. A pH of 6. 5 is a tenet if it varies to various 6.