PH Crashed Damn what's going on Now!

unless you boiled or bleached your gravel there is no way to over clean regular
gravel. if your gravel is coated your siphoning may have accelerated the removal of
the plastic like coating, but it really couldnt harm normal gravel. You were doing
it the right way if you kept nitrates down. accumulation of rotting organic stuff in
the gravel is what leads to high nitrates all the time.
even smooth gravel has small pores in it, this is where the colonies of biobugs are
found. organic stuff that filters down onto the gravel and covers it forms a barrier
to the oxygen and water getting to the colonies, this stops the colonies from
working, so if the entire gravel bed can be siphoned without removing all the tank
water, that is recommended. Ingrid

"Kodiak" wrote:
About your comment on not cleaning the entire gravel bed at the
same time, are you saying that maybe I did overclean my gravel?
My Nitrates use to hover around 40ppm, 50ppm worst case.
After i devised this killer suction gravel siphoner system (I attach
a 3/4" garden hose to a python and run it 20ft down into the basement,
the suction is crazy) now my Nitrates are always below10ppm, is that
a bad thing?


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