Aquarium Log layout?

[emmagrace12]

I’m wondering if any one has found or made an aquarium log for water changes and water parameters

 

[AilyNC]

I just use google docs

 

[PheonixKingZ]

Never have myself, I must admit...

 

[Retired Viking]

I keep one for water changes because I use RO water and mix it with treated tap water and try and keep track on my tanks ppm readings.