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#1
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Algae in the Greenhouse
I'm getting algae growth in the greenhouse. The glass is easy...I just
squeegee it when there's condensation on it. My problem is on the aluminum and brick. Should I worry about it? What should I use to get rid of it? Gene |
#2
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Algae in the Greenhouse
Gene -
My greenhouse is glazed with polycarbonate rather than glass, but has an aluminum frame. Algae have never done any harm, but they can sure create unsightly muck about the base of the walls. I've had good luck keeping algae under control by spraying all the surfaces involved with a 10% solution of Clorox in water, and then hosing those surfaces down with a strong stream of plain water, a few hours later. Tom From: "Gene Schurg" Organization: EarthLink Inc. -- http://www.EarthLink.net Reply-To: "Gene Schurg" Newsgroups: rec.gardens.orchids Date: Sun, 27 Apr 2003 02:45:11 GMT Subject: Algae in the Greenhouse I'm getting algae growth in the greenhouse. The glass is easy...I just squeegee it when there's condensation on it. My problem is on the aluminum and brick. Should I worry about it? What should I use to get rid of it? Gene |
#3
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Algae in the Greenhouse
If you leave the stuff there, it just provides a breeding ground allowing it
to spread. I am not aware of any chemical remover that wouldn't harm your plants as well. I pressure wash the entire GH to remove it, and then try to remember to spray with 1% bleach about monthly as a preventive measure. I recently bought some "Greenshield" which is supposed to be really effective and last longer between applications. -- Ray Barkalow First Rays Orchids http://www.firstrays.com Secure Online Ordering & Lots of Free Info! "Gene Schurg" wrote in message rthlink.net... I'm getting algae growth in the greenhouse. The glass is easy...I just squeegee it when there's condensation on it. My problem is on the aluminum and brick. Should I worry about it? What should I use to get rid of it? Gene |
#4
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Algae in the Greenhouse
On Sun, 27 Apr 2003 02:45:11 GMT, "Gene Schurg"
wrote: I'm getting algae growth in the greenhouse. The glass is easy...I just squeegee it when there's condensation on it. My problem is on the aluminum and brick. Should I worry about it? What should I use to get rid of it? Gene Physan 20 will inhibit regrowth.. |
#5
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Algae in the Greenhouse
I'm getting algae growth in the greenhouse. The glass is easy...I just squeegee it when there's condensation on it. My problem is on the aluminum and brick. Should I worry about it? What should I use to get rid of it? Gene I spray the glass, benches, and walks every week with one percent bleach. I make no effort to keep any splashing off of plants. I have seen no problem after doing this for about 4 years. It certainly keeps the algae under control. I picked this up from Geo Vasquez, at Zuma Canyon Orchids. Wilford Neptune |
#6
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Algae in the Greenhouse
I've used GreenShield for 10 years. It's great for killing algae & fungus on
just about any surface. It's chemically similiar, if not identical, to Physan and most of the chemicals sold as pool algicides. I haven't checked out the exact formulas, but I know I haven't had any toxicity on any plants hit with the GreenShield or Physan at algicide levels. Most are quartenary ammonium compounds. I also haven't had any skin problems when working with them without gloves. I wouldn't be without these. "Ray @ First Rays Orchids" wrote in message ... If you leave the stuff there, it just provides a breeding ground allowing it to spread. I am not aware of any chemical remover that wouldn't harm your plants as well. I pressure wash the entire GH to remove it, and then try to remember to spray with 1% bleach about monthly as a preventive measure. I recently bought some "Greenshield" which is supposed to be really effective and last longer between applications. -- Ray Barkalow First Rays Orchids http://www.firstrays.com Secure Online Ordering & Lots of Free Info! "Gene Schurg" wrote in message rthlink.net... I'm getting algae growth in the greenhouse. The glass is easy...I just squeegee it when there's condensation on it. My problem is on the aluminum and brick. Should I worry about it? What should I use to get rid of it? Gene |
#7
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Algae in the Greenhouse
One other thing to consider - don't know where you live or if you have slug
problems but if you do, they love the algae and seem to prefer it to plants. If you go out at night and turn on a light in your greenhouse, they're easy to spot. "Gene Schurg" wrote in message rthlink.net... I'm getting algae growth in the greenhouse. The glass is easy...I just squeegee it when there's condensation on it. My problem is on the aluminum and brick. Should I worry about it? What should I use to get rid of it? Gene |
#8
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Algae in the Greenhouse
I'll second the Physan 20. It's rated safe for hospitals and food prep
areas and claims to work great on fungus and other creepy stuff. There's a recipe for dipping cutting utensils and roots of new or infected plants, etc. AND it kills algae. I've used it in my greenhouse for years. You can get it at Hausermann's Orchids in the Chicago area. Bob Physan 20 will inhibit regrowth.. -----= Posted via Newsfeeds.Com, Uncensored Usenet News =----- http://www.newsfeeds.com - The #1 Newsgroup Service in the World! -----== Over 80,000 Newsgroups - 16 Different Servers! =----- |
#9
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Algae in the Greenhouse
Though not strictly a botanical use - I have found Physan to be safe on my
dogs and cats when they have fungal infections on the skin. Mind you - it was on the vet's recommendation. Haven't tried it on Athlete's Foot, though I guess it can't be all bad Siew Hong On 5/16/03 7:32 AM, in article , "Robert" wrote: I'll second the Physan 20. It's rated safe for hospitals and food prep areas and claims to work great on fungus and other creepy stuff. There's a recipe for dipping cutting utensils and roots of new or infected plants, etc. AND it kills algae. I've used it in my greenhouse for years. You can get it at Hausermann's Orchids in the Chicago area. Bob Physan 20 will inhibit regrowth.. -----= Posted via Newsfeeds.Com, Uncensored Usenet News =----- http://www.newsfeeds.com - The #1 Newsgroup Service in the World! -----== Over 80,000 Newsgroups - 16 Different Servers! =----- |
#10
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Algae in the Greenhouse
'll second the Physan 20. It's rated safe for hospitals and food prep
areas and claims to work great on fungus and other creepy stuff. There's a You can find a less expensive version at most pool chemical supply retailers. It sells in gallon containers for about $20. |
#11
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Algae in the Greenhouse
'll second the Physan 20. It's rated safe for hospitals and food prep areas and claims to work great on fungus and other creepy stuff. There's a You can find a less expensive version at most pool chemical supply retailers. It sells in gallon containers for about $20. Even less expensive is Bleach. A gal costs .79$, and I use it as a spray at %1, and it works fine. Wilford Neptune |
#12
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Algae in the Greenhouse
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#13
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Algae in the Greenhouse
Hi Wilford, I have a spray bottle which holds 24ozs. How much bleach would I
use? Can you spray it on the plants? Cheers Wendy "WNeptune" wrote in message ... 'll second the Physan 20. It's rated safe for hospitals and food prep areas and claims to work great on fungus and other creepy stuff. There's a You can find a less expensive version at most pool chemical supply retailers. It sells in gallon containers for about $20. Even less expensive is Bleach. A gal costs .79$, and I use it as a spray at %1, and it works fine. Wilford Neptune |
#14
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Algae in the Greenhouse
Hi Wilford, I have a spray bottle which holds 24ozs. How much bleach would I use? Can you spray it on the plants? Cheers Wendy 24oz is 144tsps, divided by 100 gives roughly 1.5 tsps. This would be quite safe, as Wilbur Chang, in HI, uses 2%. I make no effort to spray plants, but make no effort to keep it off of plants. It is used to control algae on the glass, benches, and walks. I've been using this in the greenhouse, every week for over 6 years, and have not seen any problems that i can detect with the plants. Wilford Neptune |
#15
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Algae in the Greenhouse
Thanks much for the math lesson Wilford. Cheers Wendy
"WNeptune" wrote in message ... Hi Wilford, I have a spray bottle which holds 24ozs. How much bleach would I use? Can you spray it on the plants? Cheers Wendy 24oz is 144tsps, divided by 100 gives roughly 1.5 tsps. This would be quite safe, as Wilbur Chang, in HI, uses 2%. I make no effort to spray plants, but make no effort to keep it off of plants. It is used to control algae on the glass, benches, and walks. I've been using this in the greenhouse, every week for over 6 years, and have not seen any problems that i can detect with the plants. Wilford Neptune |
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