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Thread: 3" rule, does it always apply?
03-22-2013, 09:33 PM #1
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3" rule, does it always apply?
im talking about gravel/sand depth. i know 3" is the standard, but is it nessassary for lower plants like crypt wendtti and micro swords? would 2" be enough?KING OF THE GOLD BARBS RAWR!!!!
I wonder if i plant one of my tiger barbs would the demon seed grow to a full tree?
gotta love them bunnies!
I.R.S.: We've got what it takes to take what you've got!
03-23-2013, 12:58 AM #2
Gravel and sand are very different media and two inches of sand will easily match three inches of gravel in weight. Sand holds plants down better but also prevents water from circulating anywhere as easy compared to gravel (even a thicker layer of gravel); so I'd think that sand should be thinner if you want to allow diffusion of water/plant food into it and out of it.
03-23-2013, 07:55 AM #3
03-23-2013, 12:15 PM #4
Most people taper the depth from the front to back. Small foreground plants (generally with smaller roots) can be in 2" sand up front and then the larger plants (such as amazon swords with massive roots) can be in the back in 3-4" sand.
03-23-2013, 12:32 PM #5