Who Gives A Fish Forums

Considering your water hardness is 195 PPM, I'd say it's on the harder side, so mixing it with some RO/DI water wouldn't be a bad idea. 50% RO/DI water could work well, but I'd advise against using 100% RO/DI, as that would be too soft.


I'm going to try the driftwood method by adding a ...

Considering your water hardness is 195 PPM, I'd say it's on the harder side, so mixing it with some RO/DI water wouldn't be a bad idea. 50% RO/DI water could work well, but I'd advise against using 100% RO/DI, as that would be too soft.


@kingrise Would distilled water be an option? Not really ...

Honestly, it's tough to give a straight answer without knowing your aquarium's specifics. The type of fish you're keeping plays a huge role - some species are fine with hard water, while others need it soft.

Do you have GH and KH test kits handy? Test your water before and after the softener to ...

Quick question - I've been wondering about this for a while now. Should I be using the tap water that runs through my water softener? I checked with my city and they told me my average water hardness is 195 PPM.

Thanks in advance for your help, everyone.