[Wet Thumb Forum]-water hardness?

[ekim]

I would try to get your KH level up to 60ppm!
I find anything under 40ppm a little to unstable for my tanks!
1 TSP of baking soda will raise your KH about 18ppm for 10 gallons.

Rex, PPM not dKH

[imported_aspen]

rex, i believe his kh is 20 ppm, not 20 deg. there are 17 ppm in one deg, so his kh is about 1 deg.

to raise kh, it is just like what was in your old gravel: add crushed coral or shells. or more simply, after a water change, put a bag of your old gravel in your filter or in the tank in front of the filter, and take it out when the kh rises to where you want it.

i would be a little nervous about keeping a tank with a kh below 2 deg (35 ppm) without at least 2x weekly water changes.

hth, rick

[Rex Grigg]

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