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  • Jonette
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4 years 1 month ago #4879 by Jonette
Black­wa­ter was cre­ated by Jonette
I’m hav­ing a really dif­fi­cult time low­er­ing the pH in prepa­ra­tion for even­tu­ally get­ting fish. (I’m start­ing to get impa­tient! It’s tak­ing so long!) I have Cat­appa leaves and am slowly adding Eichen extract every day and am order­ing some alder cones. Now I learned that two of my fil­ters con­tain active char­coal and that works at cross pur­poses with my addi­tives. So I’m order­ing ceramic fil­ter mate­r­ial to sub­sti­tute for the char­coal. When I have some nano tanks set up, I will use sim­ple sponge fil­ters in them. But for now, I am attempt­ing pH 6 and I haven’t been able to lower my pH 8 (tap­wa­ter) lower than 7.5

The smaller tanks will (I hope) even­tu­ally have 4.55 pH

Should I also buy a reverse osmo­sis sys­tem? If I do, is that to be used in com­bi­na­tion with the Cat­appa and other addi­tives? Will it pro­vide a more sta­ble pH?

I am only just learn­ing about these meth­ods and feel very inse­cure about mas­ter­ing them.

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4 years 1 month ago #4880 by Arno
Replied by Arno on topic Black­wa­ter
Hello Jonette,
if you have some car­bon­ate hard­e­ness in the water the ph dont go lower.
Use clean rain –water or osmose-​water.

Greet­ings Arno
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4 years 1 month ago #4887 by Jonette
Replied by Jonette on topic Black­wa­ter
Thank you, Arno. I am order­ing an osmo­sis unit.

Jonette

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4 years 1 month ago #4897 by Jootje67
Replied by Jootje67 on topic Black­wa­ter
Hello there, just entered here and think this site is great.

Just like Jonette, I also have a wild­tank cycling for 4 weeks, fil­ter­ing over turf and have cat­appa and beech­leaves.

My Ph is nor­mal around 7 and now it’s down to 6.4. My Kh is always low 3. My Gh is gone down from 8 to 4.8. Is it wise to lower till 6?


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