You might be able to approximate the effect using some other dark blue material like cobalt glass, but the gel is specifically designed with the correct transmission/absorption characteristics you need. Your best bet is to wait until you can get the gel somehow, but it's worth trying other materials if you have them available.
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9 years ago
. You didn't like the answers you got five months ago?
Answer 9 years ago
Funny, I thought they were some very good answers....
Answer 9 years ago
I live in rural area of india, i cant find congo blue gel........
Answer 9 years ago
You might be able to approximate the effect using some other dark blue material like cobalt glass, but the gel is specifically designed with the correct transmission/absorption characteristics you need. Your best bet is to wait until you can get the gel somehow, but it's worth trying other materials if you have them available.
Answer 9 years ago
Thanks
Answer 9 years ago
I live in rural area of india, i cant find congo blue gel........