Adjust water for active substrate?

tayloss

Member
Joined
10 Sep 2017
Messages
135
Location
Fareham
Hi All,

So I’m about to rescape one of my tank that housed CRS that currently has a GH 8/9, KH0 and PH around 6.5.

Now, I know we have had many conversations on using active substrates with tap, so,I’m going to give it a go this time so, what sort of GH/KH should I aim for using my liquid rock:-

PH 7.5
GH 18
KH 9

I am going to do 50 TAP/50 RODI (0 TDS) water, which i assume will halve the above figures to:-

GH 9
KH5
PH7.5

Should I look to reduce the KH more, or let the ION exchange in the substrate do that? What would I expect the PH to be one settled?

I am tempted to buy a smaller bag of Tropica Soil to test out in a vase to see for myself, but am looking at the group experts for a pointer :)

Thanks,

Chris
 

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