my total water volume, including sump etc, is app 540l
i change app 100l of water, once a month
dose app 300ml of iwarna top up every other day
currently have only 2 sps, monti & birdnest
do you think is workable?
cheers
how often do you water change?
i do app 15%, once a month
i do not measure my calcium level
anyone knows roughly how much calcium does a 15cm calm absorb?
thanks