I dont recommend those lights, we have tested this and it works very well. You can chooose which power level to go for

https://www.amazon.com/QUANS-Blacklight-Fishing-Aquarium-Waterproof/dp/B018C71QHI?th=1

​

My suggestion for emulsion would be either our PWR or WR Blue. The PWR has the advantage of being very quick to expose and its a 1 pot so no sensitizer and no potlife to worry about but I realise its more expensive. Once you add the sensitizer to any emulsion you have about 2-4 weeks shelf life

https://www.amazon.com/WR-BLUE-Resistant-Screen-Printing-Emulsion/dp/B09981LPBN/ref=sr_1_51_sspa?dchild=1&keywords=ecotex&qid=1630339878&sr=8-51-spons&smid=A1Q26V8H20XNX5&spLa=ZW5jcnlwdGVkUXVhbGlmaWVyPUEyQTA1Mk45V09ZTFY0JmVuY3J5cHRlZElkPUEwMzA1NjEyM0haNlVTSkwxOThIMSZlbmNyeXB0ZWRBZElkPUEwNjM2NzQ5MjBEODRQS1E5U0sxOCZ3aWRnZXROYW1lPXNwX2F0Zl9uZXh0JmFjdGlvbj1jbGlja1JlZGlyZWN0JmRvTm90TG9nQ2xpY2s9dHJ1ZQ&th=1

​

https://www.amazon.com/dp/B075SGYMPZ/ref=twister_B07L6NGYJK?_encoding=UTF8&psc=1