 Long term experience with PPS Pro?
Has anyone had any long term experience using PPS Pro? If so can you post it?
I’ve been using PPS Pro for about 18 months. I still do 10 – 20 % water changes per week. I test regularly for KPN. Over 18 months I’ve noticed that TDS based on conductivity gradually increases requiring occasional more than 20% water changes. I’ve also noticed that K tends to build up and PO4 and NO3 decline requiring additions of Ca(NO3)2 and KHPO4.
I do have to say that I have been very successful growing every plant that I’ve tried to the point that I have thrown out way more plants than I ever bought (even some considered difficult like Cabomba Furcata). The problem is that without regular monitoring of KPN levels, these fertilizer elements eventually get out of control using a fixed once a day plan (without radical water changes).
It seems to me that any fixed once a day plan (without radical water changes) is doomed to failure since it doesn’t account for the individual nature of each tank.
What is your experience? | 
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