Digital PH meter pen

[xeanliao]

Hi,
My PH seems to high and I would like to monitoring the PH more frequently. I found digital PH meter pen seems very cost effective and a lot easier than the API testing kits I currently use.

Do you think the digital PH meter pen is good enough?

My tank:

100 gallon.
7 fishes. (clowns, tanks, gobies and dragonet)
BTA, some beginner corals, one clam, a coco worm,
Those common invertebrates, etc.


Thanks for any advice

[thegrun]

I honestly wouldn't worry about your pH, alkalinity and since you have a clam calcium are much more important to be concerned with. Without knowing the specifications of the pen it is hard to give you advice, but electronic probes like your pen are nearly always more accurate than test kits.