Quote:
Originally posted by rockster
do not siphon the sand bed after a year, that is NOT necessary..
CYANO STARTING ON THE SAND BED does not mean it is caused from a "polluted" sand bed...
heck no...
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I knew it.. I kenw it.. I knew it...
OK, do not vacuum the sand, test it instead. Just use a 1/4 plastic rigid pipe with a hose. Insert it to the bottom of the sand and siphon small amount of water. See what comes out and decide.
Happy reefing!