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Hi Do Nepenthes worry much about what potting mix is used if I use coir, peat and perlite? The coir I had before had some large chunks about 20mm wide but the one I have now does not have them. It is https://www.bunnings.com.au/brunnings-90l-coir-power-garden-soil-mulch-block_p2960146 . Currently I have sphagnum based peat and medium grade perlite mixed up in equal proportions which I use for Sarracenia and plan to add other things to that mix for Nepenthes. The size of the perlite is about 4mm. I am wondering what proportion of my current coir I could mix with my current peat and perlite mix and if I should add some material with larger particles like large grade perlite that has particles of 10 mm. I heard about other things like pine bark as well but am not sure where to buy suitable stuff. Another possibility is if I could buy coir somewhere with just larger particles to mix in. However, perlite may be easier to get and am wondering what proportion of the larger size to add if I used it. Another alternative would be to use 50% peat and 50% large grade perlite that has a particle size of about 10mm and not use the mix I made with the medium grade and keep that for Sarracenia and perhaps not use the coir at all but use it for something else. Could that be better? Regards Richard.