Every Second Crop Is Preferable Do I need reflective material on the walls? E.g. A light meter is also a useful tool for measuring the loss of your globes. We have calculated a 10% loss between 3000-4000 hours and a 25% loss from 4000 hours of usage. Take a look at the ARCEYE range today! How often should I change my globes?įor best results change your globes about every 3000 hours. When using the 600w digital ballast we were getting an average of 0.5 grams per watt vs the ARCEYE 450W which smashed it out of the ball park at a whopping 1.5 grams per watt! We highly recommend LED’s but to also be cautious when purchasing one, stay away from the purple coloured lights (Blurple) as they do not perform well at all! When choosing an LED a good rule of thumb is to look for panels with Samsung LM301H (or 301B) chips in them and a MeanWell Driver. The new generation of LED panels have incredible performance and they are blowing every other lighting system out of the water! When running LED’s you can expect to see a huge drop in heat output from the light, power usage is down and light efficiency is up! We have done the comparison tests using an ARCEYE 450wboard vs a 600w/400V top of the range digital ballast. LED lights have been lacking for years, until now. For best results use an MH for growth and an HPS for the flower phase. We have also found that HPS gives a marginally better yield if it used for the bloom phase and the MH performs slightly better during the growth phase. In our trials, we found that HPS (versus MH), when used for an entire crop cycle, slightly but noticeably out performed MH.
If using “ cool tubes” and LED Lights then lights may be run much closer! What is the best light to use, High Pressure Sodium (HPS) or Metal Halide (MH)? The gap should be approx 40cm for 400W, 40-60cm for 600W and 60cm for 1000W globes.Īlso a fan blowing gently between the plant and globe will help with heat building up. What distance between light and plant is best? Last Updated: MAY 2021 How long should I run my lights ?įlowering phase = 12 hrs per day.
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