_ian Posted January 7 Report Share Posted January 7 As the topic says! My car is parked outside. I live in Central London and was lucky enough to find secure parking that's reasonably priced, but it is outdoors. It's now evolved into a two part question: a) What's the best way for me to clean it up and get rid of the green bits that now are appearing near the bottom edges? I'm guessing a good scrubbing with vinegar (bleach sounds a bit ott) would work? b) I'm happy to take it to a professional shop as I was debating giving it a proper tidy up anyway. However I can't seem to find anything that falls in the middle ground between "£20 Hand Car Wash" and >£1k 3 days of detailing your car. Does anyone have any suggestions here? Ideally London or easy reach in Kent. thanks Quote Link to comment Share on other sites More sharing options...
Bike Loon Posted January 7 Report Share Posted January 7 Use a product designed for the job, not one designed to be put on your food https://www.gsfcarparts.com/aglstcpkit?gad_source=1&gclid=Cj0KCQiAtOmsBhCnARIsAGPa5yaSUh4GNON9R4RIx7supW81VZdVXNWIxN20RtRi7z3hPzzYeuUfDlIaAv4sEALw_wcB 1 Quote Link to comment Share on other sites More sharing options...
½cwt Posted January 7 Report Share Posted January 7 (edited) I spoke with the valeter at Dove House (highly rated Porsche indy near me) when mine was in for service as I have similar problems and my car is outside all year too. I've tried the Milton Fluid (seems to have stopped growth but not removed the marking), and the AutoGlym hood cleaner with limited success, so was looking for something more fundamental. As a deep cleaner he uses AutoSmart G101 which is a trade cleaner used in different concentrations for different jobs (available from several sellers on eBay), and a wet/dry vac to extract the cleaner when rinsing. this is his starting point on a hood requiring lots of TLC to bring it back. I haven't had a chance to attack my hood with G101 yet but when Spring starts to appear in the weather it is on my list. Edited January 7 by ½cwt 1 Quote Link to comment Share on other sites More sharing options...
Mattman42 Posted January 7 Report Share Posted January 7 Always got decent results from the autoglym hood renovation kit. Needs some elbow grease if it's really green, but you can supplement the cleaner with a general cleaner like demon clean. Quote Link to comment Share on other sites More sharing options...
iborguk Posted January 7 Report Share Posted January 7 (edited) Milton tablet diluted in water can help the green (and help prevent it reoccurring). Elbow grease and a roof brush plus warm water if it's bad. Edited January 7 by iborguk Quote Link to comment Share on other sites More sharing options...
iborguk Posted January 7 Report Share Posted January 7 (edited) Also maybe invest in a half cover for the car to help keep the roof in good shape once it’s sorted. I and others on here can attest to how good the CabrioShield Premium one is. Edited January 7 by iborguk Quote Link to comment Share on other sites More sharing options...
The Caped Crusader Posted January 7 Report Share Posted January 7 Use Wet and Forget. Readily available from Costco. No need to scrub. Just dilute it to the correct strength, brush it on and all the green will dissapear within a few weeks and will stay away for a long time. 1 Quote Link to comment Share on other sites More sharing options...
Patt Posted January 8 Report Share Posted January 8 I mix my own, but I have used a very diluted fabric/carpet cleaner and lightly brushed that in. LOTs and LOTS of rinsing until no suds afterwards, 5 or 6 long goes with a jet wash and make sure you are at least a foot from the fabric. And then wash with car soap and rinse again.... to neutralise and you'll need to wash the car afterwards anyway when you see how much pollen is in there. Quote Link to comment Share on other sites More sharing options...
The Caped Crusader Posted January 9 Report Share Posted January 9 I think a way to get the hood 'clean' is to treat it like a carpet or rug - shampoo and careful wet vac until the water runs clear. It is effectively a cloth left out in all weathers. The mould is a separate issue and a preventative measure like Wet and Forget is good for that. Just my tuppence worth. Quote Link to comment Share on other sites More sharing options...
Cocky Posted January 12 Report Share Posted January 12 I've given this wet & forget a try tonight so will take a look tomorrow to see if it's shifted the green. Fingers crossed 🤞 Quote Link to comment Share on other sites More sharing options...
fizz Posted January 12 Report Share Posted January 12 This was my method... was very very pleased with the before and after. Using just the brush on the dry top to break down some of the built up bits and also get rid of the bloody dandelion seeds! Then the spray with water and brushing... After all that i finished off with Fabsil the following day and it was great for a good few months but its starting to mould up again a bit so will need another session when the weather gets better. Quote Link to comment Share on other sites More sharing options...
The Caped Crusader Posted January 13 Report Share Posted January 13 12 hours ago, Cocky said: I've given this wet & forget a try tonight so will take a look tomorrow to see if it's shifted the green. Fingers crossed 🤞 It will not work fully overnight. It's a slow acting but long lasting biocide. Read the instructions. Quote Link to comment Share on other sites More sharing options...
Cocky Posted January 14 Report Share Posted January 14 On 1/13/2024 at 5:22 AM, The Caped Crusader said: It will not work fully overnight. It's a slow acting but long lasting biocide. Read the instructions. I have so far applied two coats to the roof just straight onto the dry roof. Then given it a wash today after the run (all the greeness actually came straight off) and I applied another coat over the area between the glass and clamshell just to cover myself. I'm actually really happy with how easy that was. 2 Quote Link to comment Share on other sites More sharing options...
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