CS> Well we did the initial steps to get the 70G tank going.  Got some
 CS> water cure stuff and some new gravel.  Not quite enough gravel yet
 CS> but wasnt sure how much I would need. 

the rule, on gravel, that i always use is one pound of gravel per gallon of
water... i believe this is what is called for with undergravel filters but
i use it all the time...

)\/(ark