Originally Posted by Laith
I'm not sure how you get 200cm2 for a 40l tank? 200cm2 is like 12cm x 16.6cm and a 20cm x 20cm x 20cm tank is only 8 liters with a tank bottom of 400cm2...
Or is my math wrong?
Well a 0,2m (=20cm) X 0,2m tank =0,04m2 or 40cm2 not 400cm2...bottom area
Think 1meter long tank widh 50cm depth IS 500cm2 and holds about 200liters...
200cm2 for 40 l is exagarating 130cm2 is more appropriate.. but makes the inital argument even worse.. (if we need one bag for 130cm2) this means 7kg/130cm2
while seachem says 1kgr/200cm2
Sorry to say your math is wrong..