Quantum Meter Suggestions

The cheapest out there right now is from Hydrofarm retailing for 139.99-300. Youtube video showing operate compared to a licor li-250a:

If you're only interested in achieving an even spread with a few lights of the same type you only need a lux meter app on your phone.

atomicData said:

Oh, and thank you all very much. I know this has helped me make up my mind about which direction I want to go. If it can help someone else find what it is they need, then I will be twice as happy.

Click to expand...

It sure did, tyvm all

I just checked apogee website and they had a product announcement stating they discovered some defects and wrong readings in particular serial numbers of the MQ and SQ sensors

MQ-500 S/N 1001-1457

MQ-510 S/N 1001-1109

SQ-500 S/N 1001-1227

SQ-520 S/N 1001-1359

SQ-514 S/N 1001-1002