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Showing Visitor Messages 131 to 140 of 203
  1. Hoppy
    03-10-2012 09:22 PM - permalink
    Hoppy
    With high light it is easy to run short of phosphates, and when you do, GSA starts growing vigorously. The solution is to dose more phosphates - I used to routinely double the EI dosage.
  2. ryc120
    03-09-2012 02:10 PM - permalink
    ryc120
    Surprisingly everything has been fine. I am running pressurized CO2 in the 29g now, and the plants are growing crazy. The issue is I am starting to see some GSA. I have had these lights on the tank for two months now. I'll try putting a layer of window screen on and see if that helps the algae issue. The lights are on right now for 8.5 hrs a day.
  3. Hoppy
    03-09-2012 03:45 AM - permalink
    Hoppy
    Two T5HO bulbs close together, with a good reflector, should give you high light at the substrate (24 inches away, assuming 3 inches of substrate.) That is too much light for what you are trying to do. A layer of figerglass window screen would reduce that to medium light, which may still be a bit more light than you need. Two layers reduce it to low light, just about right. I'm assuming the lights are both T5HO, and that they overlap in the middle, by two feet. That two feet of overlap is even higher light.

    I suggest you try for only low light, not use CO2, and if you are concerned about keeping enough oxygen in the water, direct filter returns up towards the water surface to create surface rippling across the whole length of the tank.
  4. ryc120
    03-08-2012 04:11 PM - permalink
    ryc120
    Would a solution be to put a layer of window screen under the lights?
  5. Ann7667
    03-08-2012 03:25 PM - permalink
    Ann7667
    Hi Hoppy ,
    This is Ann7667 and I need your advice on lighting.

    Tank: 72"x23"x18" (23" high)

    Substrate: pool sand

    Fish: 7 Rio Tapajo Red Noses (geophagus) (2 are 4" and 5 are 7"), 6 4" clown loaches, 5 Cory dora juliis, 1 5" Ancistrus, 1 Juru Pari 7"

    Plants: low light 4 feet along the back half.

    Lights: 2 4-foot lights one has two Coralife T5 HO 54 that sits 4" over the glass; one With 2 Sylvania HG 28 & sits on the glass.

    1. lights sitting on the glass cause BBA so i will hang them instead. How high? Will my fish jump out?
    2. How much lighting do I need?
    3. With more light, do I need CO2?
    4. It is so important to me that my fishies are comfortable and have enough oxygen in that tank. What is the balance of light needed to grow low to medium light plants and Co2 needed to prevent BBA growth and leaving enough oxygen in my tank for my fishies to be comfortable.

    Thank you for your help!
  6. Hoppy
    03-08-2012 04:48 AM - permalink
    Hoppy
    A 2 bulb Hagen GLO light sitting on top of a standard 29 gallon tank would be very high light. That is very likely to be too much light to ever get enough CO2 in the water to keep the plants growing well, if you have fish in the tank.
  7. ryc120
    03-07-2012 02:39 PM - permalink
    ryc120
    Hi Hoppy,

    I was wondering if you could tell me if I have too much light in my tank?
    I currently have a 29g tank with a Hagen T5HO GLO Double bulb fixture. Standard reflectors that came with the fixture, and both bulbs are 24W 6700k.

    Thanks so much.
  8. Hoppy
    01-26-2012 02:11 AM - permalink
    Hoppy
    Assuming this is a 4 foot long tank, the 2 foot T5HO light would give sufficient light on the portion of the substrate that is under the light, the middle 2-2.5 feet of the tank, with the ends being very low light. A four foot T5HO would give about the same light intensity, but over the whole length of the tank.
  9. Kevyg
    01-25-2012 07:18 PM - permalink
    Kevyg
    Hey this is in regards to the thread "Taking it serious with a 55gal."

    I am so sorry to bother you with private message but i feel as if my thread will get lost in the mix, You said one t5 bulb with a good reflector and true HO ballast will be sufficient for my standard 55gal. (it was a rectangular aqueon kit), were you referring to a 4' t5 HO or 2' t5 HO? thank you very much for your time, i am just starting out and desperately need sage advice. There is a lot of information out there and it is a daunting task to weed through it.
  10. Hoppy
    01-09-2012 04:29 PM - permalink
    Hoppy
    I don't recall seeing a one bulb Catalina light fixture, but I suspect they would make one if someone wanted it. They make most, if not all of their lights to order, so customizing isn''t a big deal for them. The "solar" lights are the ones I have seen data for, so those are the ones I always refer to when I mention Catalina lights.

    A 20L tank is so low, with the substrate only 10 inches or so below the top, that a T5HO light will always be too much light unless it is raised a foot or so above the top of the tank. Regular T8 lights would be a better choice for that tank.

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  Mentions

02-03-2016
10:19 PM - dukydaf mentioned Hoppy in post High nutrients promote algae growth and are toxic to aquatic life
...very hour. What Hoppy says makes the most ...
01-15-2016
01:46 AM - bassbuster23 mentioned Hoppy in post Excel & CO2
... both benefits that Hoppy stated.
11-30-2015
02:26 PM - bassbuster23 mentioned Hoppy in post Cleaning your tank
Hoppy.....will the credit ...
11-19-2015
04:27 AM - Nick00Merlin mentioned Hoppy in post 125H Gallon First Time Live Plant Project (Lots Of Pictures)
...resting experience. Hoppy has a lot of good in...
11-16-2015
11:32 AM - bassbuster23 mentioned Hoppy in post Will this work?
...ssing towards also, Hoppy. Do go ahead - it...
11-12-2015
08:14 PM - thedood mentioned Hoppy in post Types of Metricide
...my question. Thanks Hoppy and bassbuster23
10-30-2015
02:04 AM - Audionut mentioned Hoppy in post Wrapping my head around KH and co2. Led light questions! Look!
... Minor correction Hoppy. That would be Bica...
10-16-2015
12:39 AM - Audionut mentioned Hoppy in post CO2, pH, and dKH question
...is observation from Hoppy. The last paragraph...
10-03-2015
01:32 AM - burr740 mentioned Hoppy in post Lighting an Aquarium with PAR instead of Watts
...hat one was made by Hoppy (thanks again man, i...

  Quotes

05-31-2016
07:01 PM - Hoppy quoted No.92 in post A bit different DiY CO2 System
Why bother with this compl...
05:46 PM - No.92 quoted Hoppy in post A bit different DiY CO2 System
...et.com/albums/ss176/Hoppycalif/CO2%20DIY_zpskj...
08:23 AM - roadmaster quoted Hoppy in post "No fertilizers" - pictures of extremely healthy plants
Niko, if I am reading you ...
03:21 AM - saitama quoted Hoppy in post Need Advice on LED light for Planted Tank
Nice tank! The more I see ...
02:23 AM - Goomie quoted Hoppy in post Using Dolomite
It isn't that the nutrient...
02:20 AM - Hoppy quoted thedood in post Using Dolomite
I think my main curiosity ha...
05-30-2016
11:01 PM - Hoppy quoted AWolf in post Using Dolomite
If you only use the dolomi...
10:42 PM - Hoppy quoted Sharon_hazan in post paint the tank?
:proud: Bump: with what type o...
10:36 PM - Hoppy quoted WaterLife in post Another way to use TPT forum
For searching around on this f...
05:56 PM - Goomie quoted Hoppy in post Using Dolomite
Questions like this, that ...
04:11 PM - Hoppy quoted thedood in post Using Dolomite
Hoppy You have been doing th...
02:52 PM - thedood quoted Hoppy in post Using Dolomite
...t me know:wink2: No Hoppy I think you are righ...
01:36 PM - Hoppy quoted Smooch in post "No fertilizers" - pictures of extremely healthy plants
What is the perfect ratio t...
10:41 AM - Smooch quoted Hoppy in post "No fertilizers" - pictures of extremely healthy plants
To add to the general conf...
05-29-2016
11:35 PM - Zorfox quoted Hoppy in post "No fertilizers" - pictures of extremely healthy plants
I don't think we should be...
05-28-2016
09:27 PM - Hoppy quoted AWolf in post "No fertilizers" - pictures of extremely healthy plants
For those of us hovering a...
07:31 PM - AWolf quoted Hoppy in post "No fertilizers" - pictures of extremely healthy plants
A few years ago Plantbrain...
05-24-2016
03:00 AM - Hoppy quoted SpaceLord in post Old days confessions!
Did you know Walt Disney? I th...
05-22-2016
06:50 AM - wastewater quoted Hoppy in post T2 Flourescent Lighting
...ure) and agree with Hoppy's statement about li...
01:35 AM - SpaceLord quoted Hoppy in post Old days confessions!
I was introduced to tropic...

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