Grow Mediums Anyone used Dr. Bruce Bugbee's peat mix?

Olderfart

DIY whenever possible, and sometimes when it isn't
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In his youtube video on maximizing cannabis yields, Bugbee recommends a 50/50 mix of straight peat with 40g dolomite lime and 10g gypsum added per cubic foot. However, it seems that this mix may have been designed for his water supply which is hard, so I wonder if the mix would cause trouble with RO, or in my case, melted snow water. Also, he mentions that his mix settles at pH of ~5.5, which, again, may be designed around his slightly alkaline water.

Finally, it seems to me that unless the source water has a lot of calcium in it, dolomite lime might overdo magnesium, which could make it a problem especially for RO type water.

Any experience out there?
 
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