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Re: CO2 loading on the surface of water
Ivan Trail writes:
> One question first: Why would anyone put a tightly sealed cover over
> their tank? I personally have never seen a pond or lake in the wild
> covered in this manner. Maybe there is a reason I don't know of. If so
> please tell me.
My tank lids are as tight as I can get them for three reasons.
One, less dust can land in the tank.
Two, and more importantly, I can run two months without topping off my
55-gallon tank, and the water level doesn't drop even a quarter of an inch.
This keeps hardness constant. If it were a saltwater tank, total dissolved
solids concentration is so critical that it demands constant monitoring.
With a tight lid, this maintenance is minimized.
Three, fish can find little, itty-bitty holes to jump through when they
decide to go AWOL.
Cichlid Trader List Administrator