i only have ph reading probe there not too acurate but shows soil at ph 6.7 - 6.8 after a flushed my soil with just water the run off came out very discoloured at first then gradually cleared up but i havent got the stuff to test ph of that i am feeding it on a mix of bio bizz grow formula and also bio bizz bloom formula shall i stop the grow??? and i also get a bad smell from the room like algai how can i prevent this