some lfs sell them, jus ask for peat... when u buy them back, pour them into a net, tie and place into the filter... but I like to inform u, that the water will be very dark.. so prepare yrself.. wouldnt advise if u using on a planted tank.. the other will be blackwater extract, this solution contains the extract of peat, without the darkening
if u adventous, u can try brewing yr own..using indian almond leaves
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