I would not panic over the crapped ph meter Christy. I have mine on my RK2 but never read it. I dont think Brad even owns one. Cant see it having any effect one way or the other on hair algae.
Still think just following normal routine, scrubbing out the long stuff as best one can and when time permits. And perhaps the seahare idea. {is that whats its called}.
With my own version of the Asmodeus Red Turf Plague,,
is seems to be a never ending battle keeping up with it. No matter how much water changes or GFO or whatever. I also had serious bubble algae, {wont say where from,
}. Besides regular cleaning of both........the best solution seems for me to be the critters to control it, whatever the problem is.
Added a whack of snails from JL and a pin cushion urchin and the seem to be working on the red turf. Two monster looking and one smaller emerald crabs are doing a great job on the bubble algae.