Essjay Moderator Staff member Global Moderator ⚒️ Joined Nov 28, 2006 Messages 22,643 Reaction score 20,040 Location Teesside, UK Dec 30, 2019 #16 JBFUK said: I'll continue with 10-12L weekly water changes (30%) Click to expand... Water changes should be at least 50% rather than 30%. There is a lot more dissolved in tank water than the three things we test for, and they need to be removed as well.
JBFUK said: I'll continue with 10-12L weekly water changes (30%) Click to expand... Water changes should be at least 50% rather than 30%. There is a lot more dissolved in tank water than the three things we test for, and they need to be removed as well.