tapwater

Hi I've had a planted tank before, with pressurized CO2. I've had a year and a half break from aquariums, and now moved to a new city. I've measured the tap water here to be pH 7 and KH 11. From the pH/KH/CO2 relationship tables, it would appear that my tap water already contains around 30ppm...

Hello, I'm planning to dillute my Tapwater with some RO water. The man at my LFS tells me not to. Would you please take a look at the link and comment? http://waterbedrijfgroningen.nl/nl/water-thuis/Klantenservice/veelgestelde-vragen/waterkwaliteit/Documents/Groeve.pdf Thanks

I have a 2 gallon beta tank with a well used piece of mopani and some anubias under a standing lamp with a CFL bulb. I'm using an air pump driven mini filter. I'm developing a layer of slime on the surface of the water which when I run my finger through it, it shows up white against my...