Thread: 3" rule, does it always apply?
03-22-2013, 10:33 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, 01:58 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.Knowledge is fun(damental)
A 75 gal with eight Discus, fake plants, and a lot of wood also with sand substrate. Clean up crew is down to just two Sterba's Corys. Filters: continuous new water flow; canister w/UV, in-tank algae scrubber!! Finally, junked the nitrate removal unit from hell.
For Fishless cycling:http://www.aquaticcommunity.com/aqua...ead.php?t=5640
03-23-2013, 08:55 AM #3
03-23-2013, 01:15 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, 01:32 PM #5
Yea I have my swords in about 3", but my smaller plants are as shallow as around an inch... thanks to my german rams deciding they like to dig next to every plantFish: 75g: 9 Parva Rainbow, 4 GBR, 2 Oto, 4 Platies, 10 Sterbai, 4 Calico BN Pleco
10g: RCS, 10 B. Brigittae; 10g: 4 Fp. Spoorenbergi, 7 C. Habroseus, Orchid Endlers; 10g: 4 Fp. Spoorenbergi, Species #2 Endlers,
Plants: 75: A. Sword, C. Red Wendtii, J Fern, Alternanthera Reineckii, Temple Hygro, Moneywort, Subwassertang, R. Rotundofolia, R. Indica
10: Italian Vals, Dwarf Sag, Java Fern, Phoenix Moss
10s: C. Parva, C. Wendtii, Cardinal, Microswords, Dwarf Hairgrass, Hornwort