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  1. #1
    Senior Member solowma's Avatar
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    brown algae covering everything.

    When I say everything, I mean everything. My snails, emerald crab, even my coral banded shrimp. Covering the sand etc. A little on the rocks and back glass. When I installed my sump, I had to drain the tank. I lost some crabs and snails. Now with my new lights, it is like my tank went into a mini cycle. I will go tomorrow and pick up about 30 snails of assorted variety. It just looks so dirty.
    Well I just came back and counted only 5 snails and a dozen crabs left. Wow, I didn't relize it got that low.
    150 (reef) 56 (FOWLR)
    75 gal sump 25 gal refuge
    300lbs CaribSea Aragonite Reef Sand
    280 lbs of Assorted rock
    Tunze 9010 skimmer, Current USA 48" Fixture
    1 cleaner shrimp, pistol shrimp
    50 blue legged hermit, 15 nausaurus/astrea snails
    Yellow tang, 2 clowns, 1 blue chromis, 1 yellow watchman 1 corral beauty
    Colt coral, Frogspawn, Bubble, Donut coral, Mushrooms,Starburst green, Green and orange polyps an Umbrella coral, Purple Long Tentacle Anemone.

  2. #2
    Former Moderator a4twenty's Avatar
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    have you tested the water??

    you may very well have had a little cycle if you drained the tank, how much water did you take out?


    also new lights can have an effect on algae growth but it sounds like nutrients.
    `

    120S RR tank with 60G basement sump / fuge

    Return Pump: Little Giant 4-MDQX SC
    Water Movement: MP40W, Seio 1500, (2) Hydor K4's
    Lighting: 400W SE MH with 10K Venture
    Skimmer: Euro-Reef RS250 with gate valve
    Other: RODI, RDSB, PO4/AC reactor


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  3. #3
    Senior Member solowma's Avatar
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    Yes I have tested the water. Nitrates are always high. 25 ppm, phosphate 0 and alk 10. Calcium is low last time I checked. 350 or so. Added some though.
    Well, I counted this morning cause it is easier to count the crabs in the morning and I have 5 crabs left. This weekend is definately clean up crew weekend.
    150 (reef) 56 (FOWLR)
    75 gal sump 25 gal refuge
    300lbs CaribSea Aragonite Reef Sand
    280 lbs of Assorted rock
    Tunze 9010 skimmer, Current USA 48" Fixture
    1 cleaner shrimp, pistol shrimp
    50 blue legged hermit, 15 nausaurus/astrea snails
    Yellow tang, 2 clowns, 1 blue chromis, 1 yellow watchman 1 corral beauty
    Colt coral, Frogspawn, Bubble, Donut coral, Mushrooms,Starburst green, Green and orange polyps an Umbrella coral, Purple Long Tentacle Anemone.

  4. #4
    liv
    liv is offline
    Former Moderator liv's Avatar
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    Dec 2003
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    yup.. you probebly started a new tank cycle when you drained all that water.
    try to siphon most of the goo off before the clean up crew.

    moving.. so temporarily out of SW :b8:
    planning next tank, possibly 60x30x20 on 2x plasma.
    updated: 2011/05/30

  5. #5
    Junior Member Dudette's Avatar
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    Sorry, I have to post 5 times before I can post a link :b10:, but the directions below will take you to the most easy reading I've encountered regarding diatom (brown algae). They cover it all without getting too technical. Good luck!

    About.com>Home & Garden>Saltwater Aquariums> Algae Profiles & Pictures> Diatoms & Slime Algae> Curing Brown Algae Problems in your Saltwater Aquarium

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