Here is the list - mainly complete but does not include every little things I can think of! water pumps  air compressor (aquarium types) all testing combo/kit to check quality water if building rafts system - the liners (if you have the space and budget) plastic connectors like these ones http://www.aquaticeco.com/search/0/bk112 - still unable to find where these are being sold in Costa Rica Ro…