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  1. General Reef Discussion
    I am trying to understand why I would have black/gray sand on the surface of my DSB. I thought that would develop under the top layer if detritus was caught in the sand? If I notice dark sand but no gas bubbles being released, and no smell, what's the prognosis for the tank becoming toxic?
    dsb hydrogen sulfide
  2. General Reef Discussion
    Should I be concerned about black spots appearing on the bottom of the rock that's touching the sand and reeking of hydrogen sulfide?
    black spots hydrogen sulfide live rock
  3. General Reef Discussion
    Hi folks! Long term lurker here, first time poster. I recently set up a small 30 gallon reef tank with a 3" fine-particle sand bed. I cycled 50 pounds of live rock in it, then added 3 small fish and some reef janitors. For sand sifters I tossed in 15 nassarius snails. The live rock I placed...
    black spots crusty sand hydrogen sulfide
  4. General Reef Discussion
    I'm starting to get air bubbles rising from the sand. i have raked through the sand to get them to rise but a couple hours later they are there again. what are they from? are they bad? How do i get rid of them?
    hydrogen sulfide power head sand sifter sand sifters shallow sand bed
  5. The THINK Tank
    I called it an HRDSB to distinguish it from an RDSB. HRDSB is a Hikk Remote Deep Sand Bed. What I am referring to is a 5G bucket setup such as this one: http://reefcentral.com/forums/showthread.php?s=&threadid=595109&perpage=25&pagenumber=1 Anybody used one or know anybody who has used one...
    blue acro coral growth deep sand bed dsb system dsb tank dsb tanks flow rate hydrogen sulfide martin moe nitrifying bacteria plenum system remote dsb sand beds trickle filter
  6. Topic of the Week Archive
    For purposes of this discussion the following terms are used to describe certain things: Live Rock: This seems to be self-explanatory but it will include any DIY rocks, any type of actual rock that is used in a tank for a surface for the bacteria to live on. Wet/Dry media: This includes, but...
    algae bloom algae blooms algae growth anoxic zone anthony calfo bio balls biological filter biological filtration canister filter coraline algae coralline algae deep sand bed dsb system fake sand bed filter pad filter sock flow rate frag plugs hydrogen sulfide martin moe mechanical filter mechanical filtration nitrifying bacteria nitrogen cycle nuisance algae power head rock lift sand beds silica sand spray bars start reading trickle filter wet dry system
  7. General Reef Discussion
    Has anyone ever used any of the moon sand. I took out a rook out of my seahorse tank and the bottom of the rock had turned black. WHATS UP???? Is this toxic ,chemical reaction or what is happening? I'm going to take this junk out of it. The bad part is it is in the 10gal. tank to. It is full of...
    hydrogen sulfide mag float rock lift tahitian moon sand
  8. General Reef Discussion
    Ok here is what I have ph-8.0-8.2 no3 over 50ppm calcium 392 dkh-6.4 akk-2.29 iodide-.06 iodate and iodine-.01 strontium-10 po4-.02 or less ammonia-.01 or less nitrite-0 can someone help me figure out why my nitrates are so high. please
    algae bloom bak pak cpr skimmer deep sand bed hair alge hair algea hydrogen sulfide mechanical filtration salifert test sand beds
  9. DIY Forum
    Does any one know of any DIY denitrification methods? I only have a 30 gal. tank and dont really have the room to put a ton of lr or ls in. Does any one have some plans?
    hydrogen sulfide
  10. General Reef Discussion
    Does it kinda look like black algae growing on your lr? And if so is there anything else i can do besides just siphon it out......... I just realized after reading around on here... I have a dsb lol The lady at the lfs said 1 lb of sand per gallon... so i have 15 lbs of sand in my 14 gallon...
    candy cane coral cane coral coraline algae cyano bacteria domino damsel green mushroom hydrogen sulfide
  11. General Reef Discussion
    My LFS ,for as long as i can remember, stirs the sand bed in their 3 display tanks daily. Is this something that i need to do also? well not now since the sand has been in for 3 months. but is there any benefit to this??
    dsb system hydrogen sulfide
  12. The Think Tank Must Reads.
    I just spent three hours reading through the DSB myth thread and decided in all fairness to put up a pro DSB thread. Although I have not been in the hobby as long as many on here have. I research constantly for ways to improve the quality of life for the animals I choose to own. This is in no...
    algae bloom algae blooms algae growth anthony calfo aragonite sand aragonite sand bed bacterial turgor ball valve base rock biological filter biological filtration blue damsel bristle worm bubble algae chevron tang coral sand coraline algae coralline algae crushed coral crushed coral sand bed cyano outbreak deep sand bed denitrifying bacteria detritus removal diatom bloom dosing pump dsb system dsb tank dsb tanks filter pad filter sock flow box flow rate fresh water tank hydrogen sulfide leather coral leather corals lps coral macro algae mandarin goby marine aquarium mechanical filter mechanical filtration metal halide light mimic tang mushroom coral nassarius snail nassarius snails nitrifying bacteria nitrogen cycle nuisance algae phosphate reactor phosphate remover phosphate test kit pink spotted watchman pistol shrimp power head protein skimmer protein skimming pygmy angel randy holmes randy holmes farley red hair algae reef club remora skimmer rock curing sand bed tank sand beds sand substrate serpent star serpent stars spaghetti worm spaghetti worms sps corals sps reef sps tank stony coral stony corals tomini tang trap detritus turf scrubber undergravel filter undergravel filters watchman goby
  13. General Reef Discussion
    Looking at replacing my Combination Remote DSB and Refugium with a new design. I am looking at 2 17 gallon acrylic tanks which when I get it replaced should be about the same amount of water as my current system, but it should maintain its level a lot better. First things first though, I am...
    algae growth hydrogen sulfide macro algae pod population remote dsb rock rubble shallow sand bed
  14. General Reef Discussion
    Well my wife and I got out of this hobby about 2 years ago and have decided to get back in. I have an entire setup I am getting this weekend. 120g with sump, rock, sand etc etc. Everything I need. I am in the process of having a custom stand and canopy made. Stand will be ready tomorrow...
    biological filtration coral skeleton coral skeletons hydrogen sulfide sand beds sohal tang
  15. General Reef Discussion
    while doing my water change today i noticed thay my sand is clumping is this normal?:rolleyes:
    calcium reactor hydrogen sulfide nassarius snail nassarius snails sand sifter sand sifters tomato clown
  16. General Reef Discussion
    I'm looking for suggestions of brand/type/grain size to replace the top layer of my arganite bed. I have issues with detritus buildup and cyano/nasty growth in the deeper visible layers at the tanks edge. Is .5-1mm standard? I'd love the oolitic stuff, but figure that it'l make major sandstorm...
    crushed coral hydrogen sulfide oolitic sand rock lift
  17. Northeast Florida Marine Aquarium Society
    It seems that one of my good friends has decided to get an early birthday present for me. A 90g tank setup. Now as I have not seen it yet, I'm not all together sure what's coming with it, but I now have to decide if I want this in addition to the 55g or in place of it. I know I'm missing...
    deep sand bed encrusting gorgonian green frogspawn hydrogen sulfide mother colony protein skimmer
  18. General Reef Discussion
    Please advice how long can I use my sand before I start to change it.
    calcium reactor coral growth crushed coral dana riddle dsb system dsb tank dsb tanks hydrogen sulfide marine sediments nilsen reactor nitrogenous compounds rock lift sand beds sand sifting critters sps corals sps system star fish sugar fine sand
  19. DIY Forum
    I am setting up the sump design below. I have a few quick questions. The display is a 125 gal AGA with dual vertical overflows. I will have one overflow drain directly into the skimmer side of the sump. I will have the other overflow drain into the fuge side...tee'ed off right above the fuge as...
    ball valve durso standpipe evaporation rate filter sock flow rate hydrogen sulfide skimmer pump
  20. General Reef Discussion
    When I move the sand bed around there's grey sand underneath the top layer of white sand. Is this bad? It eventually turns white after about a day.
    bristle worm hydrogen sulfide power head shallow sand bed
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