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Originally Posted by itsgrowinglikeaweed  Thanks alot picasso. Do you use that one? Will it only need to be calibrated once or will i eventually need more of that calibraton solution? |
I do use that one, my only complaint is that it isn't waterproof. I dropped it in the water once and it took a few days to dry out, but it still works fine after it dried.
I calibrate it every single time I use it. If you are careful, you can reuse that solution quite a few times. You want to be careful not to contaminate it and have something start growing in there. I also have a bottle of calibration fluid and I put some into a baggie and reuse it a few times. A little pint bottle would last you a few grows.