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Search: Posts Made By: Mike O'Pray
Forum: Photography in general 31st January 2021, 03:23 PM
Replies: 40
Views: 10,799
Posted By Mike O'Pray
It strikes me that in the likes of a 1L Ilford...

It strikes me that in the likes of a 1L Ilford container then the amount of marbles needed rises with every depletion of the chemical unlike the amount of gas needed and in the case of smaller...
Forum: Photography in general 28th January 2021, 09:21 PM
Replies: 40
Views: 10,799
Posted By Mike O'Pray
You are quite right Terry. I wasn't thinking...

You are quite right Terry. I wasn't thinking straight. As long as the surface is completely covered by the heavier than air gas then that's all that's required. Unless the surface area is very large...
Forum: Photography in general 28th January 2021, 05:35 PM
Replies: 40
Views: 10,799
Posted By Mike O'Pray
Thanks for the report, Terry. Just speculation on...

Thanks for the report, Terry. Just speculation on my part but having used Protectan I probably overdid the spray period A two second burst as in press when you start to say "a thousand and one, a...
Forum: Photography in general 28th February 2020, 01:59 PM
Replies: 40
Views: 10,799
Posted By Mike O'Pray
Thanks, Terry. Yes my research seemed to indicate...

Thanks, Terry. Yes my research seemed to indicate that it was actually produced by a company called Pushback Ltd

Based on prices I saw it appears that if you buy 4 the price reduces to almost half...
Forum: Photography in general 27th February 2020, 03:39 PM
Replies: 40
Views: 10,799
Posted By Mike O'Pray
Arrow Terry, I hadn't spotted the bit about how much...

Terry, I hadn't spotted the bit about how much air the can will expel and should have done as it is on my Protectan label as well now I look more closely. This would seem to be the key to finding a...
Forum: Photography in general 26th February 2020, 09:45 PM
Replies: 40
Views: 10,799
Posted By Mike O'Pray
That sounds right Dave and again, it seems to me,...

That sounds right Dave and again, it seems to me, on that basis the amount of gas needed to cover the surface of the container, say a bottle or Nova slot should be the same irrespective of how heavy...
Forum: Photography in general 26th February 2020, 08:08 PM
Replies: 40
Views: 10,799
Posted By Mike O'Pray
Mike, your first sentence makes sense to me in...

Mike, your first sentence makes sense to me in the scientific/maths context so this is good news. My problem is that in matters of gas weight and volume or really any matters concerning chemistry I...
Forum: Photography in general 26th February 2020, 05:46 PM
Replies: 40
Views: 10,799
Posted By Mike O'Pray
Terry your thread made me do a bit more research...

Terry your thread made me do a bit more research and there may be a cheaper alternative to Protectan which Alex hit on. On Amazon there is a can of stuff called Wine and Food Preserver for £11.99...
Forum: Photography in general 26th February 2020, 12:47 PM
Replies: 40
Views: 10,799
Posted By Mike O'Pray
Terry It appears that The Imaging Warehouse sells...

Terry It appears that The Imaging Warehouse sells it at £20.95 so just over £4 cheaper than your e-bay seller

Check the rest of our sponsors if yo haven't already but I suspect that if its...
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