Pratyahara
Pratyahara Tanks is the worlds first completely open source tank manufacturer. Our tank is constructed from 100% off-the-shelf parts. All construction details are publicly available.
To build a pratyahara tank is simple.
PUMP
Get a Panworld 100 PX pump
FILTER
There are 4 possible filtrations – UV, ozone, chemical and mechanical. For the reasons discussed in this thread, UV and ozone are of no concern.
So it boils down to handling chemical filtration via hydrogen peroxide and mechanical via TBD.
TANK:
Get two 360 gallon containment tanks from NTOTankOutlet.
HEATING:
Get a waterbed heater
Get stryofoam and bungie cords from home depot
HEATING CONTROLLER
EPSOM SALT
or even table salt will work says word on the street. And it doesnt sting/burn more than Epsom salt.