Scrape bottom gently with edge of an old credit card OR plastic scraper and lift out by hand into a net and discard.
Reduce white light intensity and add some snails such as Nassarius, astrea, nerite and margarita
Scrape bottom gently with edge of an old credit card OR plastic scraper and lift out by hand into a net and discard.
Reduce white light intensity and add some snails such as Nassarius, astrea, nerite and margarita