Got an MQ-510 PAR Meter. If you're interested in checking your tank's PAR, I'm happy to make a trip to check it. I'm in the city so nothing too far (max-1 hour). Fee would be $25-35 depending on distance. Let me know if interested.
Yes I have done this and it is actually very close. Within 5-10% I will say tho that the apex par sensor if left In Tank gets so dirty so fast that within the week the par numbers start to fall on the graph
Yes I have done this and it is actually very close. Within 5-10% I will say tho that the apex par sensor if left In Tank gets so dirty so fast that within the week the par numbers start to fall on the graph