how long do diatoms last in new setups ?

  • We are currently upgrading MFK. thanks! -neo

rob1984

Jack Dempsey
MFK Member
May 9, 2012
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ontario canada
how long do diatoms last in a newly setup freshwater setup ?? ive had my tank set up since april or may so like 8 or 9 months now and i still continue to get diatom algea !! im running a t5h on a 24"high tank thought maybe my lights are to bright for this 24" high tank... old bulbs were power glo and marine glo and were replaced few months ago with these bulbs

Zoo Meds Ocean Sun t5ho 54watts 48" 10,000k - Zoo Med's Ocean Sun High Output T5 lamps are ideal for all marine aquariums, reef aquariums, and freshwater aquariums where a deep water effect is desired. They product a 10,000K high intensity light with strong emissions in the blue spectrum. Zoo Med's Ocean Sun High Output T5 lamps are ideal for all marine aquariums, reef aquariums, and freshwater aquariums where a deep water effect is desired. They product a 10,000K high intensity light with strong emissions in the blue spectrum, simulating deeper ocean environments. They distribute light evenly across the water's surface, and generate less heat than metal halide lamps. Zoo Med Ocean Sun HO-T5 lamps are high quality and made in Germany. They are long-lasting, with an effective life of 10,000 hours. These new T5 lamps provide higher lumen output than ordinary T8 or T12 lamps, and are designed for use with Zoo Med's AquaSun T5 HO Double Light Fluorescent Hoods. This 54W 46" lamp will fit the 48" AquaSun fixture


Zoo Med Coral Sun t5ho 54 watts 48" 420nm
- Zo o Med's Coral Sun High Output T5 lamps are ideal for saltwater aquariums. They produce a 420nm light which promotes the growth of zooxanthellae algae, essential for the growth and well-being of all live corals and invertebrates. Zoo Med's Coral Sun High Output T5 lamps are ideal for saltwater aquariums. They produce a 420nm light which promotes the growth of zooxanthellae algae, essential for the growth and well-being of all live corals and invertebrates. They distribute light evenly across the water's surface, and generate less heat than metal halide lamps. Zoo Med Coral Sun HO-T5 lamps are high quality and made in Germany. They are long-lasting, with an effective life of 10,000 hours. These new T5 lamps provide higher lumen output than ordinary T8 or T12 lamps, and are designed for use with Zoo Med's AquaSun T5 HO Double Light Fluorescent Hoods. This 54W 46" lamp will fit the 48" AquaSun fixture. Combine with a Zoo Med Ocean Sun HO-T5 lamp for a more subdued "deepwater" tank effect, or with an Ultra Sun HO-T5 lamp for optimum viewing pleasure of live fish and corals.

are these bulbs/light fixture to bright for a freshwater setup especially a tank thats 24" high, getting tired of having to vaccum out my sand once a week all the time i have a chinese algea eater and common pleco they help but the majority of it grows and sits on my white sand which is the worst, ive thought bout trying a UV sterilizer but been told thats only for free floating algea and green water so there no point in trying or getting one of them, i have a 65" spray bar that goes across length of the tank with 3 powerheads maxijet 120 in powerhead mode (295gph) i should have plenty of circulation in my tank, tank never gets direct sunlight... i do weekly water changes of 75-80% only clean the filter's ONLY when they need it and even then i never touch the biomax or matrix in them only rinse the sponges and filter floss, i was told to stop doing such large water changes by someone and only change out 25-30% a month and just continue to add water when or if it evaporates, and to pull my lighting back from 6 hrs to 4 hrs, but something isnt right in the tank when my 75g doesnt have a problem at all... and i know there are guys with t5ho's and keep em on for 8 hrs a day or so, im getting VERY frustrated with this stuff tho and need some answer or something real that will fix it
 
I can remember the exact cause of diatom algae, but if you are growing plants, your lights may not be the best suited for them, which might also be contrbuting to your problem?


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Should I do less water changes or smaller water changes ? Or leave my lights on longer ? And just vaccum the substrate every water change ?
 
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