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Expensive though, my sumersible pump can drain 125 litres in about 25mins. And only cost £15. the 2000 litres an hour version is only a bit more at £24. Plus about another 15 for 2x5m tubing and a connector as I needed tubing more like 10m.

I use a submersible pump with appropriate length hose atached to it. Good for filling and draining, just flip it round so the pump is in the bath tub or the rez accordingly. You'll still be left with an inch or two of water in the rez, due to the height of the pump, but thats easy enough to deal...

Ask what packaging it comes in.. mine came wrapped in black plastic. Id have just said it was a flat pack/self assembly coffe table if anyone asked.

Yeah I did some origonal dp Skywalkers a fair few years back and they did a simmilar thing, they seemed to stall at the mature seedling stage and didn't put out any proper leafs for a while... they turned out to be monsters. If it aint broke, don't fix it.

Thanks, yes, I figured once the roots hit the water properly, I'll lower the water level in the tank, ec/ph permitting. I'm just a bit worried about the transfer phase, as growing in dirt before, I just plonk the seedlings striaght into the compost.

Hi all, Just wondering if I'm on the right track, first time with DWC, was compost previously. I have this: https://www.hydrohobby.co.uk/dwc-oxypot-4-kit.html I think I will transfer the seedlings, still in root riot cubes into the baskets of clay pebbles, once the roots breach the cubes. I...

Just saw it's an auto- what light cycle are you using? and have you changed it? but even so, it looks pretty healthy to me so 'don't try to fix it if it ain't broke'.

if its only been in the flower photo period for circa 60 days, it's not enitirely abnormal. It looks healthy enough, so I'd suggest not doing anyting too drastic. give it another 30 days and it will thicken up. Looks like it had some shock factor that may have stalled things.. so just play it out.

Slightly different thought on this... You can get mechanical plug timers with 15min intervals/over 24hr, so you could just flick off every second pin for 15mins on/15mins off...

Thanks :) I think that pump, whilst very pretty, is a bit overkill! 325 gallons per hour! o_O

Just wondering if there are any off the shelf solutions for this? it's a bigg ol' tank so I was thinking I could rigg up a hose from the tent room to the bathroom with a pump like THIS for occasional refills/drains, but I'd need to give the pump it's own little power supply so I can wrap the...

:mrgreen:

Interesting, can you just use a cheap acid like white vinigar or something?

Yes for sure, thats exactly what I mean, so set ph at say 5.6 for arguments sake, and then let it slowly creep up to ~6.4 naturaly, and then either add more fresh water or nutes to bring it back down, like a cycle. (within safe limits), EC permitting. I'm just struggling to grasp the...

Thanks, yes, sorry for confusing this thread. I was meaning why not use both tools - if ph gets to high (alkaline), add fert (+acid), if it gets too low add more water to dilute and raise ph. and maybe use PH+ or PH- solution in an emergency. Assuming EC stays within range, which for DWC the...

I might be mistaken, forgive me if so, but I thought if EC is good and PH is good then you can just top up the rez with water and then add nutes to lower the ph, as the PH will naturaly slowly creep up? my tap water is about ph7.2/4, EC pretty much zero. it's 'soft' water so I've purchased soft...

Dutch passion, not the cheapest but consistent good quality, and good stable uniformity.

Hi, newbie here, well not newbie, but new to DWC & LED, previously HPS & compost. Been reading a lot, and this seems like quite an active message board.. I've not started yet, but I'm leaning more toward if pH and EC is in tune, (seems a much lower EC is better for DWC?) with temps and RH, and...