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I have just joined the list and like the information available so
Now a question for everyone:
I live in Vancouver, B.C. where the water is soft and acidic ( ph~6,
KH~1). I change do a 25% H20 change weekly or bi-weekly on my 50gal
tank and add baking soda to the water to increase the KH to 4.
I have a home made CO2 system using 3 tetra diffuses with a modified
seltzer bottle valve and cylinder system which I fill in the morning.
The pH in my tank stays at 7.5 regardless of whether I increase the
KH to 4 or leave it at 1. The CO2 system doesn't seem to alter the
pH that I can tell. CO2 is stable at ~ 8 mg/L measured w/ a Lamotte
Should I worry about this pH? Can I use phoshate buffers without
risking and algae bloom?
( the current plant growth is only so-so with 3x30watt fl daylight tubes)