features I want:
different types of substrate, e.g. one for heavy root feeders i.e.
lotus/swords/apongetons, one for acidic water, different colours, options
for just iron, iron + potassium etc.

Features I need:
does not alter PH
is not too messy to set up

"fireblade" wrote in message
oups.com...
Fracted Clay from Seachem. Flourite and/or Onyx (Resell)

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Features you want
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