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  1. T

    Evaporation and Distilled Water

    Last week, tap/filtere was 85/75 TDS. This week, 90/80, possibly because at certain times of year more of our water comes from the Russian River here in California
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    Evaporation and Distilled Water

    TDS meter arrived last week. Reading before WC, 285, after, 215. Was also interesting to compare TDS of our filtered water and tap water.
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    Evaporation and Distilled Water

    Perhaps there is an easier way to show this. With the same hypothetical example, imagine: 1) 11 gal worth of TDS in our 10 gal tank 2) After 1 gal evaporates, we now have the same 11 gal of TDS in only 9 gal of tank water 3) We remove 50% of the tank water, now leaving 5 1/2 gal of TDS in...
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    Evaporation and Distilled Water

    My tank is about 12 years old, although it did have a complete overhaul about 8 yrs ago. I have always followed the EI approach and done weekly 50% WC's. I hope this doen't bore the less mathmatically enthusiastic, but I recently ran a calculation assuming: 1) 10 gal tank 2) 1gal (10%) weekly...
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    Evaporation and Distilled Water

    Yes, I am also wondering if the buildup over months or even years might have an effect.
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    Evaporation and Distilled Water

    Hi, I'm concerned about the TDS buildup in my 29 gal tank, which loses about 1.5 gal/week due to evaporation. By my calculations, this means that every weekly water changes causes roughly a 4-5% increase in TDS and mineral content in the tank. The cummulative effect over time worries me...
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    Bubble Counter Fluid and Diffuser Contamination

    I've decided to try Prime in the bubble counter. Perhaps it won't evaporate as quickly as water.
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    Bubble Counter Fluid and Diffuser Contamination

    Numerous diffuser manufacturers warn against using anything other than water in a bubble counter in order to avoid diffuser "contamination". Not sure what they mean by this. Blockage? Bacteria? Anyone know? Frank
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    CO2 degassing & ph

    OK, thanks, but the change overnight is only 0.2, from 6.4 to 6.6. Still alright?
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    CO2 degassing & ph

    kh =4, and gh =5. The large piece of driftwood has been in the tank for years. Otherwise, just fish, plants, and the Eco-complete substrate (w/2 root tabs), Measuring ph with an API kit. According to my hardness and ph, I'm at around 30 ppm c02 when it's on.
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    CO2 degassing & ph

    Hi, Wonder if some members could help me with a small concern. During co2, the tank is at 6.4, but rises no further than 6.6 during the off period. As a reverence, the tank water rises to 7.6 when left out for 48 hrs. Fish seem fine, eating well and never going to the surface during the...
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    Ballast and CF Bulb Wattage

    Have now raised the light up to 5" above the water and growth seems to have slowed some , at least in the wisteria, so that is promising. When first raising the light I also lowered c02 output to match, but some algae slime then developed on the surface and plants , so now the co2 is back up...
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    High co2 Bubble Rate

    Aways interesting to hear of a non-standard method working well. I think very few would run pressurized co2 constantly, but nice to hear that it can work well. I have an in-line diffuser that I am quite pleased with, although I know that many would run the co2 straight into the cannister. There...
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    Algae Bloom even with co2

    Are your air bubble running concurrently with the co2?
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    High co2 Bubble Rate

    Hello All, I'm a bit confused about it. I have at least 4b/sec (could be higher, it's too fast for an accurate count) in my 29 gal heavily planted tank, with a ph/kh of 6.6/4, which according to the chart yields 30ppm co2. I don't understand how such a manic bubble rate could still be...
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    Ballast and CF Bulb Wattage

    Currently at 7 hrs. That is something I could try. Recently installed a glass plate directly underneath the bulb to see if that would somehow slow things down. Too soon to tell. If inot, I could try smudging the glass with some very fine sandpaper.
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    Ballast and CF Bulb Wattage

    Thanks everyone for all of these good ideas. What I have done is build a light support over the tank using narrow, inexpensive aluminum channel from the local hardware store. Raising the light 3" hasn't slowed down growth, possibly because it is no longer passing through the former plexiglass...
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    Ballast and CF Bulb Wattage

    Hi, I am trying to slow down the growth in my 29 gal tall tank under a 55 watt Brite Kit. A few months ago I changed down to a 45 watt bulb with the same ballast, but haven't noticed any changes at all. Would the ballast still be driving the 45 w bulb up to 55w? I don't have experience...
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    Floramax LIfe Span

    It's been nine days since the 1-2 punch, and tank is looking better than it has in a year, absolutely fantastic. No algae whatsoever, and vibrant green everywhere. Somehow the old 55w/heavy dosing routine was no longer working, and the peroxide/Excel treatment was what I needed for a fresh...
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