[BIAB] AG#20 Rye Berliner Weisse

Inspired by rlemkin's recent posts, I thought I'd have a go at a Berliner Weisse. The concept of sour beers was an anathema to me a year or two ago, until I tried Buxton's Far Skyline and Red Raspberry Rye. Now I can't get enough of Berliner Weisse and Gose, really enjoying some To Ol versions from a recent order.
I thought that sours were something that I wouldn't really be able to brew at home until reading of probiotic pills. Ordered some Swanson's Lactobacillus Plantarum tablets from rlemkin's source (subsequently, I now get emails trying to sell me stuff for IBS...).
Was initially going for a 5L trial batch, but went for 11L with the intention of splitting the batch. Substituted wheat malt for pale rye, as it is all I had in.
900 g pilsner
500 g pale rye
no hops
Water treated with half a campden tablet. Alkalinity dropped to ~15 using 2M HCl. Added a bit of gypsum to get SO42-:Cl- to 1:1, Ca2+ at ~ 100 ppm.
Mashed at 65C (3 hours by the time I got back to it) and gave a quick 15 min boil, just in case.
11L of 1.031 into the fv.
A pinch and twist of the capsules is all that it needed to open them. Sprinkled the contents of 6 of them into fv and a few hours later a packet of rehydrated US-05.
A very quick and easy brewday, heating and cooling much quicker on smaller volume, short boil etc.
Fermenting away by the next morning.
1 day pH ~4.0 using pH strips.
3 days pH between 3.0 and 3.5 but closer to 3.0 colouring on strips.
It's been a week, so I'll check gravity and souring tonight.
What next?
I'm planning on transferring 4L or so into a demi-john containing some fruit. In the freezer I have blackcurrants, redcurrants, whitecurrants and raspberries from last years crop. I'm tempted by the blackcurrants as I have a lot to use up, but expect to to be very sour with these; however, recently really enjoyed a Dugges Blackcurrant Nordic Sour.
The rest will be dry-hopped with the remnants of packs of amarillo (20g) and citra (40g) - thinking more Siren Calypso style.
I have a selection of thicker Belgian bottles, so will go big on the carbonation when the time comes.

8 days in and down to 1.004, giving ~ 3.5% which is Bob on what I intended. Trial jar sample tastes great, could drink straight from fv. Just sour enough, very lemony with rye coming through. pH looks good.
Think I'll go for blackcurrants for 4L and dry hop the rest. I'm very happy with this, so easy.

Looks good and I'm glad everything went so smoothly! I'm not sure I've had a sour beer with that much rye in it before.

Blackcurrants definitely sounds nice, how many are you thinking of putting in the demijohn? Blackcurrants can be quite acidic on their own can't they?

Dry hops go a long way in sours, so you likely won't need 60g for 7L, but that doesn't mean you shouldn't!

So there's literally no boil at all other than that quick 15 mins? Was that necessary or just a precautionary move as it was your first go?

I'm determined to have a go soon

Bottled some of this today. Dry hopped ~6L with 18 g amarillo and 18 g citra. FG 1.004, so about 3.5%. Went for just over 3 vols CO2. Trial jar sample tasted good.

The remaining 4.5L is in a demijohn with 250g of simmered and strained blackcurrants. Very pink.

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How careful do you have to be with the Lactobacillus bug? I would have a go at this because I love Berliner Weisse, but I have a nagging thought in the back of my mind that I won't be able to clean off the lactobacillus and it will find its way into my subsequent brews.

First taste of this. Absolute belter, tropical hop flavour coming through, nicely sour, a bit of rye. Carbonation spot on, surprisingly clear (lots of condensation on glass) the slightest of hazes, head lasts. Definitely brewing this again.

This is from the gallon with blackcurrants added. Great stuff, tart with a great fruity flavour. I'm officially a Berliner Weisse convert.