03-19-2012, 04:43 AM
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Originally Posted by Byron
I prefer using the degrees for GH only because the smaller numbers are less confusing to me, and I've used this system in the profiles because it is generally the one other sites use so we have consistency. Converting is easy. The numbers you gave were obviously ppm (parts per million) because they were so high, so to convert to dGH you divide the ppm by 17.9, and similarly if you want to go from dGH to ppm you multiply the dGH by 17.9 to get the equivalent ppm.
On the substrate, for the fish mentioned earlier I would recommend coarse sand or a fine gravel. Corys especially (and other substrate fish) like to nose into sand. I use common play sand. Cheap, takes a lot of rinsing to get the dirt out, but in the end a very nice looking natural substrate.
Tank straightened, as much as as possible, now waiting for filter and heater/s, was going to use 5-8 mm gravel and have a corner of sand in the tank not sure how that will go but, will try and have a planted aquarium as well, thanks Byron, your knowledge and input is invaluable, I have never seen sand and gravel, as well as plants done before, but then I may be shallow minded