need help and advice for very soft tap water and pressurized co2
I'm a little concerned about my tap water and potential problems down the road when I begin injecting co2.
water out of tap
water in tank with aquasoil 'new' amazonia
KH >1 (turns bright yellow faster than tap)
aquasoil 'new' amazonia
2x24w t5ho w/ dual reflectors
eheim 2217 w/ 1l mech media and 3l bio media
I'm using API test kit for all the above numbers. The pH has actually been surprisingly stable in the tank with aquasoil even with the low KH. My tank is currently on day 5 cycling w/ aquasoil and ph has been stable since day 2. I've been following 'shrimp farm' aquasoil cycling guide and the only time the ph changes is immediately after a 50-75% water change. It goes up to around 6.7 ph and drops back down to 6.4 after a few hours.
Waiting on co2 regulator, but I'm planning on beginning pressurized co2 sometime next week. I plan on keeping cardinals, otos, and amanos/crs in this tank eventually. Also will have crypt wendtii, crypt baelansae, and marsilea minuta. Am I going to run into buffering problems later down the road when I begin injecting co2? Should I look into some sort of buffer? I would prefer not to mess with any kind of buffers if possible, but will do it if it's necessary. Thanks in advance!