Reddit reviews TeraPump TRHA01 Battery Operated Liquid Transfer Pump - 2AA Battery, 2.25 GPM

I have been winging it with my 2 5 gallon res I have right now, taking my plants out of the tent to do a manual res change, and a month into flower i dunno if i can anymore. I did a res change 2 days ago, and it was almost impossible for me to get them out of their crowded tent and not break any stems or rip any leaves off. Then I have to break my back lifting a 60-70lb bucket+plant and it just sucks.

Today I bought this today and I think it will solve all my problems. It's cheap and imo better than a regular pump. It can move 2-2.5 gallons a minute which aint bad at all. You can drain the res and then put it in a bucket with premade nutrients and then switch the siphon to drain into your res.

Nice enough, but could do better.

For example, get a Terapump battery pump like this: https://www.amazon.com/gp/product/B00APU2X0K/ref=s9_hps_bw_g60_i5

You might have to do some lengthening of the hose, and add a shower fitting, but it works on batteries (so you're not tethered to the vehicle, and hence maybe don't need the tent either) and does 10qt/min, roughly 2.5x the flow. And can do fuel and is cheaper.

And don't use those cheap Aquatainer things. Leaky and the fittings are junk. Get the Sceptre or LCI containers instead, http://www.buylci.com/ItemDisplayF.aspx?D1=SKILCRAFT-Water-Can-Desert-Tan--5-gal--5-gal&ItemID=906396. Far sturdier, with big openings so you could drop in your pump without having to fiddle with a bucket, although they're handy sometimes. I added a hose fitting and air valve to mine and just use a bike pump to add pressure to shoot out water.

Still, I prefer shower bags. Unfortunate he holed his, but they are simpler than all that gear and also solve the heating issue. And cheap.

1. Most of the standard siphon vacuums you can find in stores would work. The hardest part with those is the source needs to be higher than the destination. So taking water out is pretty easy since the bucket is usually lower than the tank. But getting the bucket of water higher than the tank is more difficult. I used this one for a bit:
   
   https://www.petsmart.com/fish/maintenance-and-repair/vacuums/top-fin-aquarium-gravel-vacuum-5162807.html
   
   But it's a lot easier to just get a motorized fluid pump for pumping water back into the tank. Something like this (but there are cheaper $10 versions):
   
   https://www.amazon.com/gp/product/B00APU2X0K/
   
   
2. You probably saw the Mag-Float:
   
   http://www.magfloat.com/
   
   https://www.amazon.com/Gulfstream-Tropical-AGU030SM-Mag-Float-Aquarium/dp/B003WRKVUC
   
   
   Edit: Forgot to mention, the siphons usually remove water faster than I can clean the tank, so I like using this to clean my tank since it pumps the water back into the tank while catching all of the waste/debris:
   
   https://www.amazon.com/gp/product/B003OYOPNW/

I forgot about these. We used to use them for emptying snowmobile gas tanks at the end of the season.

https://www.amazon.com/TeraPump-TRHA01-Battery-Operated-Transfer/dp/B00APU2X0K/ref=mp_s_a_1_6?keywords=battery+powered+water+pump&qid=1568670368&sr=8-6

can't really gauge the size of your tent but you can always raise your lights up higher and put your plant up on something while you recover to make the watering easier. maybe a cheap $9.99 ikea table and just putting your plant on it so its a lot higher up?

you can also look into a hand held liquid pump such as this one https://www.amazon.com/TeraPump-TRHA01-Battery-Operated-Pump/dp/B00APU2X0K/ref=pd_sim_263_9?_encoding=UTF8&psc=1&refRID=6CN1BPZ04P6BRRFNMTEC which might make watering a bit more tolerable.