Here is my hard water iwagumi...
Tanks is 100 liter.
Light one osram daylight t5
co2 24 hour
Water is from my tap
Gh 24
Kh 22
Following estimate index.
![[IMG]]()
![[IMG]]()
![[IMG]]()
...
iwagumi
Tanks is 100 liter.
Light one osram daylight t5
co2 24 hour
Water is from my tap
Gh 24
Kh 22
Following estimate index.
![[IMG]](http://i103.photobucket.com/albums/m137/nicpapa/DSC_5228_zpsugphsobm.jpg)
![[IMG]](http://i103.photobucket.com/albums/m137/nicpapa/DSC_5242_zpsatazdtmq.jpg)
![[IMG]](http://i103.photobucket.com/albums/m137/nicpapa/DSC_5238_zpszin8vdnz.jpg)
...iwagumi