ph - ADVISE ME PLEASE PLEASE

[Ganjaskunk]

:thumbsup:smokers!! i put 5 drops of (PH-) to 10 litres of water with nutes just wondered if any of u guys have used this b 4 cud do with sum proffesional advice on this one!! cus i no its v very strong stuff 81% (PHOSFRIC ACID) CUD THAT B 2 MUCH CUS THE VERY END OF SUM OF MY LEAVES HAVE STARTED TURNING A LITTLE YELLOW...... HOPE NOT!! HELP ME PLEASE PLEASE!!!!!!!!!!

:thumbsup:

[MadSativa]

you need a ph test kit to tell the ph level 6 bucks at a hydro store or about 9 bucks at walmart for aqaurium test strips